#EF745A

Closest named color: Burnt Sienna (#E76F51). oklch(69.8% 0.157 33.3), rgb(239, 116, 90).

Aa

Black text reads best on this color (7.31:1).

About this color

#EF745A is a medium-light, vivid red. In OKLCH its lightness is 70%, its chroma 0.157 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.021 away. Black text reads best on it, at 7.31:1.

Hue familyReds
Lightnessmedium-light (70%)
Chromavivid (0.157)
Temperaturewarm
Nearest nameBurnt Sienna (#E76F51)
Black text7.31:1
White text2.87:1

Values

HEX#EF745A
RGBrgb(239, 116, 90)
HSLhsl(10, 82%, 65%)
OKLCHoklch(69.8% 0.157 33.3)

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 #EF745A 2.87:1 Fails Lc -59.6 Large or bold text, headings
Black text on #EF745A 7.31:1 AAA Lc 49.7 Large or bold text, headings
#EF745A text on white 2.87:1 Fails Lc 54.3 Large or bold text, headings
#EF745A text on black 7.31:1 AAA Lc -47.5 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

    #FEF3F0

    oklch(97.2% 0.013 35.7)

  2. Step 100

    100

    #FCE4DE

    oklch(93.7% 0.028 34.3)

  3. Step 200

    200

    #FBCDC2

    oklch(88.5% 0.055 33.7)

  4. Step 300

    300

    #F9A997

    oklch(80.8% 0.099 33.2)

  5. Step 400

    400 (this color)

    #EF745A

    oklch(69.8% 0.157 33.3)

  6. Step 500

    500

    #E94A2A

    oklch(63% 0.201 33.2)

  7. Step 600

    600

    #CF2C00

    oklch(55.6% 0.203 33.4)

  8. Step 700

    700

    #AF2400

    oklch(49.1% 0.179 33.5)

  9. Step 800

    800

    #911C00

    oklch(42.7% 0.156 33.4)

  10. Step 900

    900

    #781A06

    oklch(37.7% 0.131 33.2)

  11. Step 950

    950

    #471207

    oklch(27.1% 0.083 33.7)

Export this scale for Tailwind in the Tailwind colors tool

#EF745A 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)#9488570.158
Deuteranopia (no green cones)#B2A3570.147
Tritanopia (no blue cones)#FF5D6E0.062
Achromatopsia (no color)#9898980.158

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF745A

    #EF745A

    oklch(69.8% 0.157 33.3)

  • #00B1CB

    #00B1CB

    oklch(69.9% 0.122 213)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF745A

    #EF745A

    oklch(69.8% 0.157 33.3)

  • #EB6F94

    #EB6F94

    oklch(69.8% 0.157 3.2)

  • #E08407

    #E08407

    oklch(69.7% 0.157 63.2)

Open the analogous palette in the generator

Split complementary

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

  • #EF745A

    #EF745A

    oklch(69.8% 0.157 33.3)

  • #00B6A6

    #00B6A6

    oklch(69.7% 0.124 183.9)

  • #28A6F7

    #28A6F7

    oklch(69.8% 0.158 243.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF745A

    #EF745A

    oklch(69.8% 0.157 33.3)

  • #37B96E

    #37B96E

    oklch(69.8% 0.157 153.5)

  • #7F94FF

    #7F94FF

    oklch(69.8% 0.158 273.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF745A

    #EF745A

    oklch(69.8% 0.157 33.3)

  • #8BAD28

    #8BAD28

    oklch(69.8% 0.158 123.4)

  • #00B1CB

    #00B1CB

    oklch(69.9% 0.122 213)

  • #B283ED

    #B283ED

    oklch(69.8% 0.157 303)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF745A, closest first.

Similar named colors

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

Use #EF745A 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.