#B2002D

Closest named color: Rouge (#AB1239). oklch(48.3% 0.194 19.7), rgb(178, 0, 45).

Aa

White text reads best on this color (7.16:1).

About this color

#B2002D is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.194 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Rouge (#AB1239), ΔE 0.019 away. White text reads best on it, at 7.16:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.194)
Temperaturewarm
Nearest nameRouge (#AB1239)
Black text2.93:1
White text7.16:1

Values

HEX#B2002D
RGBrgb(178, 0, 45)
HSLhsl(345, 100%, 35%)
OKLCHoklch(48.3% 0.194 19.7)

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 #B2002D 7.16:1 AAA Lc -87.3 Fine for body text
Black text on #B2002D 2.93:1 Fails Lc 21.8 Dividers and decoration only
#B2002D text on white 7.16:1 AAA Lc 82.2 Fine for body text
#B2002D text on black 2.93:1 Fails Lc -19.7 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

    #FEF2F2

    oklch(97.1% 0.013 17.4)

  2. Step 100

    100

    #FCE3E2

    oklch(93.6% 0.028 20.4)

  3. Step 200

    200

    #FACCCB

    oklch(88.5% 0.052 19.6)

  4. Step 300

    300

    #F7A8A8

    oklch(80.8% 0.094 19.3)

  5. Step 400

    400

    #EF7679

    oklch(70.7% 0.149 20.1)

  6. Step 500

    500

    #E64A57

    oklch(63.1% 0.192 20)

  7. Step 600

    600

    #D11E3D

    oklch(55.5% 0.208 19.7)

  8. Step 700

    700 (this color)

    #B2002D

    oklch(48.3% 0.194 19.7)

  9. Step 800

    800

    #931128

    oklch(42.7% 0.161 19.7)

  10. Step 900

    900

    #761A25

    oklch(37.7% 0.125 19.4)

  11. Step 950

    950

    #461216

    oklch(27.1% 0.079 19.8)

Export this scale for Tailwind in the Tailwind colors tool

#B2002D 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)#47412D0.216
Deuteranopia (no green cones)#6F63270.195
Tritanopia (no blue cones)#C4001A0.043
Achromatopsia (no color)#5858580.195

Harmonies

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

Complementary

The opposite hue (180°).

  • #B2002D

    #B2002D

    oklch(48.3% 0.194 19.7)

  • #006C71

    #006C71

    oklch(48.3% 0.082 200.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B2002D

    #B2002D

    oklch(48.3% 0.194 19.7)

  • #A60F6E

    #A60F6E

    oklch(48.3% 0.194 349.8)

  • #954300

    #954300

    oklch(48.2% 0.128 49.6)

Open the analogous palette in the generator

Split complementary

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

  • #B2002D

    #B2002D

    oklch(48.3% 0.194 19.7)

  • #006F56

    #006F56

    oklch(48.2% 0.095 170.2)

  • #00688A

    #00688A

    oklch(48.4% 0.096 229.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B2002D

    #B2002D

    oklch(48.3% 0.194 19.7)

  • #217200

    #217200

    oklch(48.4% 0.155 139.8)

  • #0055C9

    #0055C9

    oklch(48.4% 0.194 259.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B2002D

    #B2002D

    oklch(48.3% 0.194 19.7)

  • #636300

    #636300

    oklch(48.4% 0.105 109.8)

  • #006C71

    #006C71

    oklch(48.3% 0.082 200.4)

  • #623EC2

    #623EC2

    oklch(48.4% 0.194 289.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B2002D, closest first.

Similar named colors

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

Use #B2002D 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.