#AF211C

Closest named color: Rufous (#AE2012). oklch(49% 0.178 28.2), rgb(175, 33, 28).

Aa

White text reads best on this color (6.86:1).

About this color

#AF211C is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.178 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.007 away. White text reads best on it, at 6.86:1.

Hue familyReds
Lightnessmedium-dark (49%)
Chromavivid (0.178)
Temperaturewarm
Nearest nameRufous (#AE2012)
Black text3.05:1
White text6.86:1

Values

HEX#AF211C
RGBrgb(175, 33, 28)
HSLhsl(2, 72%, 40%)
OKLCHoklch(49% 0.178 28.2)

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 #AF211C 6.86:1 AA Lc -87.2 Fine for body text
Black text on #AF211C 3.05:1 AA large text Lc 22.0 Dividers and decoration only
#AF211C text on white 6.86:1 AA Lc 82.1 Fine for body text
#AF211C text on black 3.05:1 AA large text Lc -19.8 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

    #FDF3F1

    oklch(97.1% 0.011 31.1)

  2. Step 100

    100

    #FAE4E1

    oklch(93.6% 0.025 26.9)

  3. Step 200

    200

    #F7CEC8

    oklch(88.5% 0.047 27.8)

  4. Step 300

    300

    #F3ACA1

    oklch(80.9% 0.086 28.9)

  5. Step 400

    400

    #EA7C6F

    oklch(70.7% 0.138 28.1)

  6. Step 500

    500

    #E05548

    oklch(63.1% 0.176 28.4)

  7. Step 600

    600

    #CB322A

    oklch(55.6% 0.191 28.2)

  8. Step 700

    700 (this color)

    #AF211C

    oklch(49% 0.178 28.2)

  9. Step 800

    800

    #8E1F1A

    oklch(42.6% 0.147 28)

  10. Step 900

    900

    #72211B

    oklch(37.6% 0.115 28.1)

  11. Step 950

    950

    #431511

    oklch(26.9% 0.072 27.9)

Export this scale for Tailwind in the Tailwind colors tool

#AF211C 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)#4F47190.193
Deuteranopia (no green cones)#7265140.174
Tritanopia (no blue cones)#C100220.038
Achromatopsia (no color)#5A5A5A0.180

Harmonies

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

Complementary

The opposite hue (180°).

  • #AF211C

    #AF211C

    oklch(49% 0.178 28.2)

  • #006D79

    #006D79

    oklch(48.9% 0.084 208)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AF211C

    #AF211C

    oklch(49% 0.178 28.2)

  • #A81F60

    #A81F60

    oklch(49% 0.178 358)

  • #904C00

    #904C00

    oklch(49% 0.117 57.9)

Open the analogous palette in the generator

Split complementary

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

  • #AF211C

    #AF211C

    oklch(49% 0.178 28.2)

  • #007161

    #007161

    oklch(49.1% 0.09 178.4)

  • #006896

    #006896

    oklch(49.1% 0.108 237.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AF211C

    #AF211C

    oklch(49% 0.178 28.2)

  • #00752D

    #00752D

    oklch(49.1% 0.141 148.2)

  • #3753C4

    #3753C4

    oklch(49% 0.179 268.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AF211C

    #AF211C

    oklch(49% 0.178 28.2)

  • #5B6800

    #5B6800

    oklch(48.9% 0.114 117.9)

  • #006D79

    #006D79

    oklch(48.9% 0.084 208)

  • #6F40B6

    #6F40B6

    oklch(49% 0.178 297.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AF211C, closest first.

Similar named colors

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

Use #AF211C 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.