#B74B30
Closest named color: Sinopia (#BB3E03). oklch(55.1% 0.146 35.2), rgb(183, 75, 48).
Aa
White text reads best on this color (5.16:1).
About this color
#B74B30 is a medium-dark, vivid red. In OKLCH its lightness is 55%, its chroma 0.146 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.029 away. White text reads best on it, at 5.16:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #B74B30 |
| RGB | rgb(183, 75, 48) |
| HSL | hsl(12, 58%, 45%) |
| OKLCH | oklch(55.1% 0.146 35.2) |
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 #B74B30 | 5.16:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #B74B30 | 4.06:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #B74B30 text on white | 5.16:1 | AA | Lc 74.9 | Content text, not long reading |
| #B74B30 text on black | 4.06:1 | AA large text | Lc -26.8 | 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#F0D1C9
oklch(88.4% 0.037 34.8)
-
Step 300
300
#E8B2A4
oklch(80.9% 0.066 35)
-
Step 400
400
#DA8873
oklch(70.7% 0.106 35.1)
-
Step 500
500
#CD684E
oklch(63.1% 0.134 35.5)
-
Step 600
600 (this color)
#B74B30
oklch(55.1% 0.146 35.2)
-
Step 700
700
#9F3D24
oklch(49.2% 0.136 35.3)
-
Step 800
800
#81331F
oklch(42.7% 0.113 35.5)
-
Step 900
900
#682E1F
oklch(37.8% 0.087 35.6)
-
Step 950
950
#3D1B13
oklch(26.9% 0.056 34.4)
#B74B30 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) | #695E2D | 0.147 |
| Deuteranopia (no green cones) | #83762D | 0.135 |
| Tritanopia (no blue cones) | #C93345 | 0.060 |
| Achromatopsia (no color) | #6D6D6D | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B74B30
#B74B30
oklch(55.1% 0.146 35.2)
- #008095
#008095
oklch(55.2% 0.097 214.5)
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 #B74B30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.029
- Brick Orange #C14A09 ΔE 0.029
- Dull Red #BB3F3F ΔE 0.033
- Burnt Orange #C04E01 ΔE 0.034
- Burnt Siena #B75203 ΔE 0.035
- Cinnamon #AC4F06 ΔE 0.038
- Dusty Red #B9484E ΔE 0.039
- Sienna #A0522D ΔE 0.045
Use #B74B30 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.