#B42925
Closest named color: Firebrick (#B22222). oklch(50.6% 0.176 27.4), rgb(180, 41, 37).
Aa
White text reads best on this color (6.39:1).
About this color
#B42925 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.176 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.010 away. White text reads best on it, at 6.39:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.176) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.28:1 |
| White text | 6.39:1 |
Values
| HEX | #B42925 |
| RGB | rgb(180, 41, 37) |
| HSL | hsl(2, 66%, 43%) |
| OKLCH | oklch(50.6% 0.176 27.4) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B42925 | 6.39:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #B42925 | 3.28:1 | AA large text | Lc 23.8 | Dividers and decoration only |
| #B42925 text on white | 6.39:1 | AA | Lc 80.3 | Fine for body text |
| #B42925 text on black | 3.28:1 | AA large text | Lc -21.5 | 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.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC8
oklch(88.5% 0.047 27.8)
-
Step 300
300
#F3ACA3
oklch(80.9% 0.085 27.2)
-
Step 400
400
#E97C71
oklch(70.6% 0.136 27)
-
Step 500
500
#DF554B
oklch(63% 0.174 27.3)
-
Step 600
600
#CB332D
oklch(55.7% 0.19 27.6)
-
Step 700
700 (this color)
#B42925
oklch(50.6% 0.176 27.4)
-
Step 800
800
#8E201D
oklch(42.7% 0.146 27.2)
-
Step 900
900
#72221D
oklch(37.7% 0.114 27.5)
-
Step 950
950
#431512
oklch(26.9% 0.072 26.7)
#B42925 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #544C23 | 0.190 |
| Deuteranopia (no green cones) | #766A1F | 0.174 |
| Tritanopia (no blue cones) | #C7002A | 0.043 |
| Achromatopsia (no color) | #5F5F5F | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B42925
#B42925
oklch(50.6% 0.176 27.4)
- #00727E
#00727E
oklch(50.5% 0.087 207.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B42925, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.010
- Rufous #AE2012 ΔE 0.022
- Rusty Red #AF2F0D ΔE 0.023
- Scarlet #BE0119 ΔE 0.029
- Rust Red #AA2704 ΔE 0.030
- Brown #A52A2A ΔE 0.031
- Lipstick Red #C0022F ΔE 0.037
- Brick #A03623 ΔE 0.041
Use #B42925 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.