#B6412B
Closest named color: Sinopia (#BB3E03). oklch(53.6% 0.156 32.7), rgb(182, 65, 43).
Aa
White text reads best on this color (5.55:1).
About this color
#B6412B is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.156 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.023 away. White text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.78:1 |
| White text | 5.55:1 |
Values
| HEX | #B6412B |
| RGB | rgb(182, 65, 43) |
| HSL | hsl(9, 62%, 44%) |
| OKLCH | oklch(53.6% 0.156 32.7) |
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 #B6412B | 5.55:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #B6412B | 3.78:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #B6412B text on white | 5.55:1 | AA | Lc 76.8 | Fine for body text |
| #B6412B text on black | 3.78:1 | AA large text | Lc -24.9 | 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
#F2D0C9
oklch(88.4% 0.04 31.6)
-
Step 300
300
#EAB1A4
oklch(80.9% 0.07 33.2)
-
Step 400
400
#DD8573
oklch(70.6% 0.112 32.4)
-
Step 500
500
#D2644E
oklch(63.2% 0.144 32.8)
-
Step 600
600 (this color)
#B6412B
oklch(53.6% 0.156 32.7)
-
Step 700
700
#A33824
oklch(49.2% 0.145 32.7)
-
Step 800
800
#842F1F
oklch(42.6% 0.121 32.7)
-
Step 900
900
#6A2B1F
oklch(37.6% 0.093 32.5)
-
Step 950
950
#3F1A13
oklch(27.1% 0.06 32.2)
#B6412B 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) | #625828 | 0.161 |
| Deuteranopia (no green cones) | #7F7227 | 0.148 |
| Tritanopia (no blue cones) | #C8223D | 0.059 |
| Achromatopsia (no color) | #686868 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B6412B
#B6412B
oklch(53.6% 0.156 32.7)
- #007B8D
#007B8D
oklch(53.5% 0.093 212.4)
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 #B6412B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.023
- Dull Red #BB3F3F ΔE 0.026
- Rusty Red #AF2F0D ΔE 0.038
- Brick Orange #C14A09 ΔE 0.039
- Dusty Red #B9484E ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.045
- Burnt Orange #C04E01 ΔE 0.046
- Burnt Siena #B75203 ΔE 0.048
Use #B6412B 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.