#B74B3C
Closest named color: Dull Red (#BB3F3F). oklch(55.3% 0.143 30.2), rgb(183, 75, 60).
Aa
White text reads best on this color (5.14:1).
About this color
#B74B3C is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.143 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.025 away. White text reads best on it, at 5.14:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.08:1 |
| White text | 5.14:1 |
Values
| HEX | #B74B3C |
| RGB | rgb(183, 75, 60) |
| HSL | hsl(7, 51%, 48%) |
| OKLCH | oklch(55.3% 0.143 30.2) |
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 #B74B3C | 5.14:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #B74B3C | 4.08:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #B74B3C text on white | 5.14:1 | AA | Lc 74.7 | Content text, not long reading |
| #B74B3C text on black | 4.08:1 | AA large text | Lc -27.0 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CB
oklch(88.5% 0.036 30.8)
-
Step 300
300
#E7B2A8
oklch(80.9% 0.064 30.7)
-
Step 400
400
#D9887A
oklch(70.8% 0.102 30.4)
-
Step 500
500
#CD6758
oklch(63.1% 0.132 29.9)
-
Step 600
600 (this color)
#B74B3C
oklch(55.3% 0.143 30.2)
-
Step 700
700
#9E3C2F
oklch(49% 0.133 30.1)
-
Step 800
800
#813328
oklch(42.8% 0.11 30.3)
-
Step 900
900
#682D25
oklch(37.7% 0.087 29.6)
-
Step 950
950
#3D1B16
oklch(27% 0.055 29.8)
#B74B3C 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) | #675F3A | 0.149 |
| Deuteranopia (no green cones) | #827639 | 0.137 |
| Tritanopia (no blue cones) | #C93548 | 0.052 |
| Achromatopsia (no color) | #6D6D6D | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B74B3C
#B74B3C
oklch(55.3% 0.143 30.2)
- #008191
#008191
oklch(55.3% 0.096 209.9)
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 #B74B3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.025
- Dusty Red #B9484E ΔE 0.026
- Sinopia #BB3E03 ΔE 0.039
- Brick Orange #C14A09 ΔE 0.040
- Burnt Orange #C04E01 ΔE 0.045
- Burnt Siena #B75203 ΔE 0.047
- Dark Rose #B5485D ΔE 0.047
- Cinnamon #AC4F06 ΔE 0.050
Use #B74B3C 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.