#E16C3F

Closest named color: Burnt Sienna (#E76F51). oklch(66.3% 0.158 40.8), rgb(225, 108, 63).

Aa

Black text reads best on this color (6.41:1).

About this color

#E16C3F is a medium-light, vivid orange. In OKLCH its lightness is 66%, its chroma 0.158 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.022 away. Black text reads best on it, at 6.41:1.

Hue familyOranges
Lightnessmedium-light (66%)
Chromavivid (0.158)
Temperaturewarm
Nearest nameBurnt Sienna (#E76F51)
Black text6.41:1
White text3.27:1

Values

HEX#E16C3F
RGBrgb(225, 108, 63)
HSLhsl(17, 73%, 56%)
OKLCHoklch(66.3% 0.158 40.8)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #E16C3F 3.27:1 AA large text Lc -64.9 Content text, not long reading
Black text on #E16C3F 6.41:1 AA Lc 44.6 Non-text elements, placeholder text
#E16C3F text on white 3.27:1 AA large text Lc 59.5 Large or bold text, headings
#E16C3F text on black 6.41:1 AA Lc -42.3 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #FCF3F0

    oklch(97% 0.011 39.4)

  2. Step 100

    100

    #F8E5DF

    oklch(93.5% 0.022 38.3)

  3. Step 200

    200

    #F3D0C4

    oklch(88.4% 0.043 39.8)

  4. Step 300

    300

    #EDB09B

    oklch(80.9% 0.078 39.8)

  5. Step 400

    400

    #E18563

    oklch(70.8% 0.123 40.9)

  6. Step 500

    500 (this color)

    #E16C3F

    oklch(66.3% 0.158 40.8)

  7. Step 600

    600

    #C14401

    oklch(55.5% 0.171 40.6)

  8. Step 700

    700

    #A43800

    oklch(49.1% 0.153 40.5)

  9. Step 800

    800

    #872D00

    oklch(42.7% 0.132 40.7)

  10. Step 900

    900

    #6D2A0E

    oklch(37.8% 0.103 40.9)

  11. Step 950

    950

    #40190A

    oklch(26.9% 0.066 40.6)

Export this scale for Tailwind in the Tailwind colors tool

#E16C3F with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#8C7E3A0.151
Deuteranopia (no green cones)#A9983C0.138
Tritanopia (no blue cones)#F654620.077
Achromatopsia (no color)#8E8E8E0.159

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #E16C3F

    #E16C3F

    oklch(66.3% 0.158 40.8)

  • #00A3C7

    #00A3C7

    oklch(66.2% 0.121 221)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #E16C3F

    #E16C3F

    oklch(66.3% 0.158 40.8)

  • #E2647B

    #E2647B

    oklch(66.4% 0.158 11.1)

  • #C98100

    #C98100

    oklch(66.2% 0.143 70.6)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #E16C3F

    #E16C3F

    oklch(66.3% 0.158 40.8)

  • #00A9A4

    #00A9A4

    oklch(66.4% 0.114 191)

  • #3A97EF

    #3A97EF

    oklch(66.3% 0.157 250.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #E16C3F

    #E16C3F

    oklch(66.3% 0.158 40.8)

  • #00AE74

    #00AE74

    oklch(66.3% 0.148 160.7)

  • #8384F1

    #8384F1

    oklch(66.2% 0.159 280.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #E16C3F

    #E16C3F

    oklch(66.3% 0.158 40.8)

  • #70A62F

    #70A62F

    oklch(66.4% 0.158 131)

  • #00A3C7

    #00A3C7

    oklch(66.2% 0.121 221)

  • #B274DA

    #B274DA

    oklch(66.4% 0.158 310.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E16C3F, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #E16C3F in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.