#B3471D
Closest named color: Sinopia (#BB3E03). oklch(53.7% 0.15 39.7), rgb(179, 71, 29).
Aa
White text reads best on this color (5.47:1).
About this color
#B3471D is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.150 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.020 away. White text reads best on it, at 5.47:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #B3471D |
| RGB | rgb(179, 71, 29) |
| HSL | hsl(17, 72%, 41%) |
| OKLCH | oklch(53.7% 0.15 39.7) |
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 #B3471D | 5.47:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #B3471D | 3.83:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #B3471D text on white | 5.47:1 | AA | Lc 76.5 | Fine for body text |
| #B3471D text on black | 3.83:1 | AA large text | Lc -25.2 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D1C7
oklch(88.4% 0.038 38.7)
-
Step 300
300
#E8B2A0
oklch(80.8% 0.068 39.2)
-
Step 400
400
#DA886C
oklch(70.6% 0.109 39.6)
-
Step 500
500
#CE6844
oklch(63.1% 0.139 39.8)
-
Step 600
600 (this color)
#B3471D
oklch(53.7% 0.15 39.7)
-
Step 700
700
#9F3D16
oklch(49% 0.14 39.8)
-
Step 800
800
#813316
oklch(42.6% 0.115 39.5)
-
Step 900
900
#682E19
oklch(37.7% 0.09 39.9)
-
Step 950
950
#3D1B10
oklch(26.9% 0.057 38.5)
#B3471D 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) | #665A16 | 0.148 |
| Deuteranopia (no green cones) | #807218 | 0.135 |
| Tritanopia (no blue cones) | #C52C3F | 0.069 |
| Achromatopsia (no color) | #696969 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3471D
#B3471D
oklch(53.7% 0.15 39.7)
- #007A95
#007A95
oklch(53.6% 0.098 220.4)
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 #B3471D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.020
- Cinnamon #AC4F06 ΔE 0.026
- Brick Orange #C14A09 ΔE 0.030
- Burnt Siena #B75203 ΔE 0.031
- Burnt Orange #C04E01 ΔE 0.034
- Sienna #A0522D ΔE 0.039
- Burnt Umber #A0450E ΔE 0.040
- Rusty Red #AF2F0D ΔE 0.044
Use #B3471D 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.