#A2142F

Closest named color: Rouge (#AB1239). oklch(45.9% 0.173 18.9), rgb(162, 20, 47).

Aa

White text reads best on this color (7.84:1).

About this color

#A2142F is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.173 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.023 away. White text reads best on it, at 7.84:1.

Hue familyReds
Lightnessmedium-dark (46%)
Chromavivid (0.173)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.67:1
White text7.84:1

Values

HEX#A2142F
RGBrgb(162, 20, 47)
HSLhsl(349, 78%, 36%)
OKLCHoklch(45.9% 0.173 18.9)

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 #A2142F 7.84:1 AAA Lc -90.2 Preferred for body text
Black text on #A2142F 2.67:1 Fails Lc 18.7 Dividers and decoration only
#A2142F text on white 7.84:1 AAA Lc 85.4 Fine for body text
#A2142F text on black 2.67:1 Fails Lc -16.7 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

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E3

    oklch(93.6% 0.024 20.7)

  3. Step 200

    200

    #F7CECD

    oklch(88.6% 0.046 19.7)

  4. Step 300

    300

    #F2ABAB

    oklch(80.9% 0.084 19.1)

  5. Step 400

    400

    #E87C7F

    oklch(70.8% 0.133 19.3)

  6. Step 500

    500

    #DD555F

    oklch(63.1% 0.17 19.1)

  7. Step 600

    600

    #C93246

    oklch(55.6% 0.186 18.8)

  8. Step 700

    700 (this color)

    #A2142F

    oklch(45.9% 0.173 18.9)

  9. Step 800

    800

    #8C202E

    oklch(42.6% 0.143 18.9)

  10. Step 900

    900

    #712229

    oklch(37.7% 0.111 19.2)

  11. Step 950

    950

    #431518

    oklch(27.1% 0.071 19.4)

Export this scale for Tailwind in the Tailwind colors tool

#A2142F 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)#433F2F0.192
Deuteranopia (no green cones)#665C2A0.174
Tritanopia (no blue cones)#B300210.036
Achromatopsia (no color)#5252520.174

Harmonies

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

Complementary

The opposite hue (180°).

  • #A2142F

    #A2142F

    oklch(45.9% 0.173 18.9)

  • #006568

    #006568

    oklch(46% 0.078 198.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #A2142F

    #A2142F

    oklch(45.9% 0.173 18.9)

  • #971B67

    #971B67

    oklch(46% 0.172 348.9)

  • #8C3D00

    #8C3D00

    oklch(45.8% 0.124 48.6)

Open the analogous palette in the generator

Split complementary

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

  • #A2142F

    #A2142F

    oklch(45.9% 0.173 18.9)

  • #00684F

    #00684F

    oklch(46% 0.092 169)

  • #006180

    #006180

    oklch(46% 0.09 228.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #A2142F

    #A2142F

    oklch(45.9% 0.173 18.9)

  • #236900

    #236900

    oklch(45.8% 0.144 138.9)

  • #0551B5

    #0551B5

    oklch(45.9% 0.172 258.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #A2142F

    #A2142F

    oklch(45.9% 0.173 18.9)

  • #5D5C00

    #5D5C00

    oklch(46.1% 0.1 109)

  • #006568

    #006568

    oklch(46% 0.078 198.4)

  • #593DB0

    #593DB0

    oklch(45.9% 0.174 288.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A2142F, closest first.

No curated palette has a color within ΔE 0.04 of #A2142F.

Similar named colors

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

Use #A2142F 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.