#E13A2C

Closest named color: Tomato Red (#EC2D01). oklch(60.1% 0.206 29.4), rgb(225, 58, 44).

Aa

Black text reads best on this color (4.84:1).

About this color

#E13A2C is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.206 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.026 away. Black text reads best on it, at 4.84:1.

Hue familyReds
Lightnessmedium-dark (60%)
Chromavivid (0.206)
Temperaturewarm
Nearest nameTomato Red (#EC2D01)
Black text4.84:1
White text4.33:1

Values

HEX#E13A2C
RGBrgb(225, 58, 44)
HSLhsl(5, 75%, 53%)
OKLCHoklch(60.1% 0.206 29.4)

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 #E13A2C 4.33:1 AA large text Lc -74.0 Content text, not long reading
Black text on #E13A2C 4.84:1 AA Lc 35.5 Non-text elements, placeholder text
#E13A2C text on white 4.33:1 AA large text Lc 68.5 Content text, not long reading
#E13A2C text on black 4.84:1 AA Lc -33.1 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

    #FEF2F0

    oklch(97% 0.013 28.9)

  2. Step 100

    100

    #FDE3DF

    oklch(93.6% 0.029 28.1)

  3. Step 200

    200

    #FCCCC4

    oklch(88.5% 0.056 29.2)

  4. Step 300

    300

    #FBA89B

    oklch(80.9% 0.101 29.2)

  5. Step 400

    400

    #F47463

    oklch(70.7% 0.161 29.4)

  6. Step 500

    500 (this color)

    #E13A2C

    oklch(60.1% 0.206 29.4)

  7. Step 600

    600

    #D70E06

    oklch(55.6% 0.223 29.4)

  8. Step 700

    700

    #B80200

    oklch(49.2% 0.201 29.4)

  9. Step 800

    800

    #970602

    oklch(42.7% 0.172 29.5)

  10. Step 900

    900

    #79170F

    oklch(37.7% 0.134 29.5)

  11. Step 950

    950

    #47100B

    oklch(26.9% 0.085 29.1)

Export this scale for Tailwind in the Tailwind colors tool

#E13A2C 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)#6D62280.220
Deuteranopia (no green cones)#9787240.200
Tritanopia (no blue cones)#F800390.055
Achromatopsia (no color)#7979790.207

Harmonies

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

Complementary

The opposite hue (180°).

  • #E13A2C

    #E13A2C

    oklch(60.1% 0.206 29.4)

  • #0091A2

    #0091A2

    oklch(60.1% 0.104 209.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #E13A2C

    #E13A2C

    oklch(60.1% 0.206 29.4)

  • #D9367D

    #D9367D

    oklch(60.1% 0.205 359.3)

  • #BD6800

    #BD6800

    oklch(60.2% 0.142 59.4)

Open the analogous palette in the generator

Split complementary

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

  • #E13A2C

    #E13A2C

    oklch(60.1% 0.206 29.4)

  • #009582

    #009582

    oklch(60% 0.109 179.5)

  • #0089C9

    #0089C9

    oklch(60.1% 0.137 239.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #E13A2C

    #E13A2C

    oklch(60.1% 0.206 29.4)

  • #009B43

    #009B43

    oklch(60.2% 0.169 149.2)

  • #5171F9

    #5171F9

    oklch(60.1% 0.206 269.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #E13A2C

    #E13A2C

    oklch(60.1% 0.206 29.4)

  • #778C00

    #778C00

    oklch(60.2% 0.142 119.7)

  • #0091A2

    #0091A2

    oklch(60.1% 0.104 209.3)

  • #955AE7

    #955AE7

    oklch(60.2% 0.205 299.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E13A2C, closest first.

Similar named colors

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

Use #E13A2C 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.