#B30225

Closest named color: Firebrick (#B22222). oklch(48.5% 0.195 22.5), rgb(179, 2, 37).

Aa

White text reads best on this color (7.11:1).

About this color

#B30225 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.195 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.024 away. White text reads best on it, at 7.11:1.

Hue familyReds
Lightnessmedium-dark (48%)
Chromavivid (0.195)
Temperaturewarm
Nearest nameFirebrick (#B22222)
Black text2.95:1
White text7.11:1

Values

HEX#B30225
RGBrgb(179, 2, 37)
HSLhsl(348, 98%, 35%)
OKLCHoklch(48.5% 0.195 22.5)

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 #B30225 7.11:1 AAA Lc -87.2 Fine for body text
Black text on #B30225 2.95:1 Fails Lc 21.9 Dividers and decoration only
#B30225 text on white 7.11:1 AAA Lc 82.1 Fine for body text
#B30225 text on black 2.95:1 Fails 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E2

    oklch(93.6% 0.028 20.4)

  3. Step 200

    200

    #FACCC9

    oklch(88.4% 0.052 22.6)

  4. Step 300

    300

    #F8A9A5

    oklch(81% 0.094 22.6)

  5. Step 400

    400

    #F07674

    oklch(70.7% 0.151 22.6)

  6. Step 500

    500

    #E74A50

    oklch(63.1% 0.193 22.6)

  7. Step 600

    600

    #D21E34

    oklch(55.6% 0.209 22.5)

  8. Step 700

    700 (this color)

    #B30225

    oklch(48.5% 0.195 22.5)

  9. Step 800

    800

    #931121

    oklch(42.6% 0.161 22.6)

  10. Step 900

    900

    #761A20

    oklch(37.6% 0.126 22.5)

  11. Step 950

    950

    #461213

    oklch(27.1% 0.08 23.1)

Export this scale for Tailwind in the Tailwind colors tool

#B30225 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)#4842240.217
Deuteranopia (no green cones)#70641D0.196
Tritanopia (no blue cones)#C600160.042
Achromatopsia (no color)#5858580.196

Harmonies

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

Complementary

The opposite hue (180°).

  • #B30225

    #B30225

    oklch(48.5% 0.195 22.5)

  • #006C73

    #006C73

    oklch(48.4% 0.082 202.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #B30225

    #B30225

    oklch(48.5% 0.195 22.5)

  • #A80C69

    #A80C69

    oklch(48.4% 0.194 352.5)

  • #934600

    #934600

    oklch(48.4% 0.124 52.3)

Open the analogous palette in the generator

Split complementary

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

  • #B30225

    #B30225

    oklch(48.5% 0.195 22.5)

  • #007059

    #007059

    oklch(48.6% 0.094 172)

  • #00688D

    #00688D

    oklch(48.6% 0.099 231.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #B30225

    #B30225

    oklch(48.5% 0.195 22.5)

  • #007400

    #007400

    oklch(48.4% 0.165 142.5)

  • #1A53CA

    #1A53CA

    oklch(48.4% 0.194 262.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #B30225

    #B30225

    oklch(48.5% 0.195 22.5)

  • #606400

    #606400

    oklch(48.3% 0.107 112.5)

  • #006C73

    #006C73

    oklch(48.4% 0.082 202.6)

  • #673CC0

    #673CC0

    oklch(48.4% 0.194 292.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B30225, closest first.

Similar named colors

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

Use #B30225 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.