#B04A30
Closest named color: Sinopia (#BB3E03). oklch(53.9% 0.14 35.4), rgb(176, 74, 48).
Aa
White text reads best on this color (5.42:1).
About this color
#B04A30 is a medium-dark, moderately saturated red. In OKLCH its lightness is 54%, its chroma 0.140 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.032 away. White text reads best on it, at 5.42:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 3.86:1 |
| White text | 5.42:1 |
Values
| HEX | #B04A30 |
| RGB | rgb(176, 74, 48) |
| HSL | hsl(12, 57%, 44%) |
| OKLCH | oklch(53.9% 0.14 35.4) |
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 #B04A30 | 5.42:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #B04A30 | 3.86:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #B04A30 text on white | 5.42:1 | AA | Lc 76.4 | Fine for body text |
| #B04A30 text on black | 3.86:1 | AA large text | Lc -25.3 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD2CA
oklch(88.6% 0.034 35.9)
-
Step 300
300
#E6B3A5
oklch(80.9% 0.063 35.9)
-
Step 400
400
#D78A75
oklch(70.8% 0.1 36)
-
Step 500
500
#CB6A51
oklch(63.2% 0.129 35.5)
-
Step 600
600 (this color)
#B04A30
oklch(53.9% 0.14 35.4)
-
Step 700
700
#9C3F28
oklch(49% 0.13 35.1)
-
Step 800
800
#7F3522
oklch(42.7% 0.108 35.5)
-
Step 900
900
#662F21
oklch(37.6% 0.083 35.4)
-
Step 950
950
#3C1C14
oklch(27% 0.053 35.1)
#B04A30 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) | #665C2D | 0.140 |
| Deuteranopia (no green cones) | #7F722D | 0.128 |
| Tritanopia (no blue cones) | #C13444 | 0.058 |
| Achromatopsia (no color) | #6A6A6A | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B04A30
#B04A30
oklch(53.9% 0.14 35.4)
- #007C91
#007C91
oklch(54% 0.095 215)
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 #B04A30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.032
- Cinnamon #AC4F06 ΔE 0.034
- Sienna #A0522D ΔE 0.034
- Dull Red #BB3F3F ΔE 0.036
- Burnt Siena #B75203 ΔE 0.039
- Brick Orange #C14A09 ΔE 0.040
- Dusty Red #B9484E ΔE 0.042
- Burnt Umber #A0450E ΔE 0.043
Use #B04A30 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.