#B32418
Closest named color: Firebrick (#B22222). oklch(49.9% 0.18 29.7), rgb(179, 36, 24).
Aa
White text reads best on this color (6.59:1).
About this color
#B32418 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.180 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.009 away. White text reads best on it, at 6.59:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #B32418 |
| RGB | rgb(179, 36, 24) |
| HSL | hsl(5, 76%, 40%) |
| OKLCH | oklch(49.9% 0.18 29.7) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B32418 | 6.59:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #B32418 | 3.18:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #B32418 text on white | 6.59:1 | AA | Lc 81.0 | Fine for body text |
| #B32418 text on black | 3.18:1 | AA large text | Lc -20.8 | 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.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F8CEC7
oklch(88.6% 0.049 29.1)
-
Step 300
300
#F4ACA0
oklch(81% 0.087 29.6)
-
Step 400
400
#EB7C6C
oklch(70.8% 0.14 29.5)
-
Step 500
500
#E15443
oklch(63.1% 0.179 29.8)
-
Step 600
600
#CC3123
oklch(55.6% 0.194 29.7)
-
Step 700
700 (this color)
#B32418
oklch(49.9% 0.18 29.7)
-
Step 800
800
#8F1F15
oklch(42.7% 0.149 29.7)
-
Step 900
900
#732118
oklch(37.7% 0.117 29.8)
-
Step 950
950
#44150F
oklch(27.1% 0.074 29.9)
#B32418 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) | #524914 | 0.195 |
| Deuteranopia (no green cones) | #75680E | 0.176 |
| Tritanopia (no blue cones) | #C60023 | 0.042 |
| Achromatopsia (no color) | #5D5D5D | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B32418
#B32418
oklch(49.9% 0.18 29.7)
- #00707E
#00707E
oklch(49.9% 0.086 209.8)
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 #B32418, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.009
- Rufous #AE2012 ΔE 0.013
- Rusty Red #AF2F0D ΔE 0.018
- Rust Red #AA2704 ΔE 0.022
- Scarlet #BE0119 ΔE 0.028
- Brown #A52A2A ΔE 0.030
- Brick #A03623 ΔE 0.040
- Lipstick Red #C0022F ΔE 0.041
Use #B32418 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.