#AF2F3E

Closest named color: Firebrick (#B22222). oklch(50.7% 0.164 19), rgb(175, 47, 62).

Aa

White text reads best on this color (6.36:1).

About this color

#AF2F3E is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.164 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.030 away. White text reads best on it, at 6.36:1.

Hue familyReds
Lightnessmedium-dark (51%)
Chromavivid (0.164)
Temperaturewarm
Nearest nameFirebrick (#B22222)
Black text3.29:1
White text6.36:1

Values

HEX#AF2F3E
RGBrgb(175, 47, 62)
HSLhsl(353, 58%, 44%)
OKLCHoklch(50.7% 0.164 19)

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 #AF2F3E 6.36:1 AA Lc -85.6 Fine for body text
Black text on #AF2F3E 3.29:1 AA large text Lc 23.6 Dividers and decoration only
#AF2F3E text on white 6.36:1 AA Lc 80.5 Fine for body text
#AF2F3E text on black 3.29:1 AA large text Lc -21.4 Dividers and decoration only

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 700.

  1. Step 50

    50

    #FDF3F3

    oklch(97.2% 0.011 17.3)

  2. Step 100

    100

    #F9E4E4

    oklch(93.6% 0.023 17.6)

  3. Step 200

    200

    #F5CECE

    oklch(88.5% 0.044 18)

  4. Step 300

    300

    #F0ACAC

    oklch(80.9% 0.08 19)

  5. Step 400

    400

    #E57E81

    oklch(70.8% 0.127 19)

  6. Step 500

    500

    #DA5961

    oklch(63.2% 0.162 19.3)

  7. Step 600

    600

    #C53948

    oklch(55.6% 0.176 19.2)

  8. Step 700

    700 (this color)

    #AF2F3E

    oklch(50.7% 0.164 19)

  9. Step 800

    800

    #8A2530

    oklch(42.8% 0.135 19.1)

  10. Step 900

    900

    #6F242A

    oklch(37.7% 0.106 19.2)

  11. Step 950

    950

    #411619

    oklch(26.9% 0.067 18.6)

Export this scale for Tailwind in the Tailwind colors tool

#AF2F3E 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)#524E3E0.180
Deuteranopia (no green cones)#73693A0.165
Tritanopia (no blue cones)#C000360.042
Achromatopsia (no color)#5F5F5F0.165

Harmonies

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

Complementary

The opposite hue (180°).

  • #AF2F3E

    #AF2F3E

    oklch(50.7% 0.164 19)

  • #007478

    #007478

    oklch(50.8% 0.086 199)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AF2F3E

    #AF2F3E

    oklch(50.7% 0.164 19)

  • #A43274

    #A43274

    oklch(50.7% 0.163 348.9)

  • #A04700

    #A04700

    oklch(50.6% 0.136 48.8)

Open the analogous palette in the generator

Split complementary

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

  • #AF2F3E

    #AF2F3E

    oklch(50.7% 0.164 19)

  • #00775B

    #00775B

    oklch(50.6% 0.101 169.2)

  • #006F92

    #006F92

    oklch(50.6% 0.1 228.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AF2F3E

    #AF2F3E

    oklch(50.7% 0.164 19)

  • #297900

    #297900

    oklch(50.7% 0.16 139)

  • #2161C0

    #2161C0

    oklch(50.7% 0.163 258.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AF2F3E

    #AF2F3E

    oklch(50.7% 0.164 19)

  • #6B6900

    #6B6900

    oklch(50.6% 0.109 108.4)

  • #007478

    #007478

    oklch(50.8% 0.086 199)

  • #654EBB

    #654EBB

    oklch(50.6% 0.164 288.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AF2F3E, closest first.

Similar named colors

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

Use #AF2F3E 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.