#B2402A
Closest named color: Sinopia (#BB3E03). oklch(52.8% 0.153 32.9), rgb(178, 64, 42).
Aa
White text reads best on this color (5.73:1).
About this color
#B2402A is a medium-dark, vivid red. In OKLCH its lightness is 53%, its chroma 0.153 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.027 away. White text reads best on it, at 5.73:1.
| Hue family | Reds |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.65:1 |
| White text | 5.73:1 |
Values
| HEX | #B2402A |
| RGB | rgb(178, 64, 42) |
| HSL | hsl(10, 62%, 43%) |
| OKLCH | oklch(52.8% 0.153 32.9) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B2402A | 5.73:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #B2402A | 3.65:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #B2402A text on white | 5.73:1 | AA | Lc 77.8 | Fine for body text |
| #B2402A text on black | 3.65:1 | AA large text | Lc -24.0 | 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 600.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F1D1C9
oklch(88.5% 0.038 34.3)
-
Step 300
300
#E9B1A4
oklch(80.8% 0.068 33.4)
-
Step 400
400
#DC8674
oklch(70.6% 0.11 32.6)
-
Step 500
500
#D0654F
oklch(63.1% 0.14 33)
-
Step 600
600 (this color)
#B2402A
oklch(52.8% 0.153 32.9)
-
Step 700
700
#A13925
oklch(49% 0.142 32.9)
-
Step 800
800
#833020
oklch(42.6% 0.118 32.9)
-
Step 900
900
#6A2C20
oklch(37.8% 0.092 32.6)
-
Step 950
950
#3E1A13
oklch(26.9% 0.058 32.4)
#B2402A 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) | #605627 | 0.157 |
| Deuteranopia (no green cones) | #7C6F26 | 0.144 |
| Tritanopia (no blue cones) | #C4223C | 0.058 |
| Achromatopsia (no color) | #666666 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2402A
#B2402A
oklch(52.8% 0.153 32.9)
- #00798B
#00798B
oklch(52.9% 0.092 212.7)
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 #B2402A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.027
- Dull Red #BB3F3F ΔE 0.030
- Rusty Red #AF2F0D ΔE 0.032
- Dusty Red #B9484E ΔE 0.044
- Burnt Umber #A0450E ΔE 0.044
- Cinnamon #AC4F06 ΔE 0.044
- Brick #A03623 ΔE 0.044
- Firebrick #B22222 ΔE 0.045
Use #B2402A 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.