#EF702C

Closest named color: Burnt Sienna (#E76F51). oklch(68.7% 0.175 45.1), rgb(239, 112, 44).

Aa

Black text reads best on this color (7.02:1).

About this color

#EF702C is a medium-light, vivid orange. In OKLCH its lightness is 69%, its chroma 0.175 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.035 away. Black text reads best on it, at 7.02:1.

Hue familyOranges
Lightnessmedium-light (69%)
Chromavivid (0.175)
Temperaturewarm
Nearest nameBurnt Sienna (#E76F51)
Black text7.02:1
White text2.98:1

Values

HEX#EF702C
RGBrgb(239, 112, 44)
HSLhsl(21, 86%, 55%)
OKLCHoklch(68.7% 0.175 45.1)

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 #EF702C 2.98:1 Fails Lc -61.2 Content text, not long reading
Black text on #EF702C 7.02:1 AAA Lc 48.2 Large or bold text, headings
#EF702C text on white 2.98:1 Fails Lc 55.9 Large or bold text, headings
#EF702C text on black 7.02:1 AAA Lc -45.9 Large or bold text, headings

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 400.

  1. Step 50

    50

    #FFF3EE

    oklch(97.2% 0.015 44.2)

  2. Step 100

    100

    #FDE4D9

    oklch(93.6% 0.031 45.3)

  3. Step 200

    200

    #FDCDB9

    oklch(88.5% 0.061 43.8)

  4. Step 300

    300

    #FCAA85

    oklch(80.9% 0.109 45)

  5. Step 400

    400 (this color)

    #EF702C

    oklch(68.7% 0.175 45.1)

  6. Step 500

    500

    #DD5C00

    oklch(63.1% 0.18 45.2)

  7. Step 600

    600

    #BB4C00

    oklch(55.6% 0.159 44.9)

  8. Step 700

    700

    #9E3F00

    oklch(49.1% 0.14 44.9)

  9. Step 800

    800

    #823300

    oklch(42.6% 0.121 45.2)

  10. Step 900

    900

    #6E2A00

    oklch(37.8% 0.108 45.3)

  11. Step 950

    950

    #431700

    oklch(27% 0.076 45.7)

Export this scale for Tailwind in the Tailwind colors tool

#EF702C 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)#9483210.162
Deuteranopia (no green cones)#B3A0280.147
Tritanopia (no blue cones)#FF53630.091
Achromatopsia (no color)#9595950.176

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF702C

    #EF702C

    oklch(68.7% 0.175 45.1)

  • #00AAD7

    #00AAD7

    oklch(68.7% 0.131 225.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF702C

    #EF702C

    oklch(68.7% 0.175 45.1)

  • #F26477

    #F26477

    oklch(68.6% 0.175 14.9)

  • #CE8B00

    #CE8B00

    oklch(68.7% 0.145 74.9)

Open the analogous palette in the generator

Split complementary

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

  • #EF702C

    #EF702C

    oklch(68.7% 0.175 45.1)

  • #00B1B1

    #00B1B1

    oklch(68.8% 0.118 194.8)

  • #4A9BFF

    #4A9BFF

    oklch(68.6% 0.168 255.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF702C

    #EF702C

    oklch(68.7% 0.175 45.1)

  • #00B684

    #00B684

    oklch(68.8% 0.145 165)

  • #9287FF

    #9287FF

    oklch(68.7% 0.172 285.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF702C

    #EF702C

    oklch(68.7% 0.175 45.1)

  • #67B133

    #67B133

    oklch(68.7% 0.174 135.1)

  • #00AAD7

    #00AAD7

    oklch(68.7% 0.131 225.4)

  • #C274E3

    #C274E3

    oklch(68.6% 0.175 315.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF702C, closest first.

Similar named colors

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

Use #EF702C 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.