#B7473B
Closest named color: Dull Red (#BB3F3F). oklch(54.7% 0.148 28.9), rgb(183, 71, 59).
Aa
White text reads best on this color (5.27:1).
About this color
#B7473B is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.148 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.018 away. White text reads best on it, at 5.27:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 3.97:1 |
| White text | 5.27:1 |
Values
| HEX | #B7473B |
| RGB | rgb(183, 71, 59) |
| HSL | hsl(6, 51%, 47%) |
| OKLCH | oklch(54.7% 0.148 28.9) |
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 #B7473B | 5.27:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #B7473B | 3.97:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #B7473B text on white | 5.27:1 | AA | Lc 75.5 | Fine for body text |
| #B7473B text on black | 3.97:1 | AA large text | Lc -26.3 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F1D1CB
oklch(88.6% 0.037 30.4)
-
Step 300
300
#E9B1A8
oklch(80.9% 0.067 29)
-
Step 400
400
#DB867A
oklch(70.6% 0.107 28.7)
-
Step 500
500
#CF6558
oklch(63.1% 0.137 28.7)
-
Step 600
600 (this color)
#B7473B
oklch(54.7% 0.148 28.9)
-
Step 700
700
#A03A30
oklch(49.1% 0.138 28.7)
-
Step 800
800
#823128
oklch(42.7% 0.114 29)
-
Step 900
900
#692C25
oklch(37.7% 0.089 28.6)
-
Step 950
950
#3E1B16
oklch(27.2% 0.056 29.6)
#B7473B 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) | #655C39 | 0.154 |
| Deuteranopia (no green cones) | #817538 | 0.142 |
| Tritanopia (no blue cones) | #C92F45 | 0.051 |
| Achromatopsia (no color) | #6C6C6C | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B7473B
#B7473B
oklch(54.7% 0.148 28.9)
- #007F8E
#007F8E
oklch(54.6% 0.094 209.2)
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 #B7473B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.018
- Dusty Red #B9484E ΔE 0.024
- Sinopia #BB3E03 ΔE 0.037
- Brick Orange #C14A09 ΔE 0.043
- Dark Rose #B5485D ΔE 0.045
- Burnt Orange #C04E01 ΔE 0.049
- Burnt Siena #B75203 ΔE 0.052
- Cinnamon #AC4F06 ΔE 0.053
Use #B7473B 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.