#B3604D
Closest named color: Clay (#B66A50). oklch(58.2% 0.112 34), rgb(179, 96, 77).
Aa
Black text reads best on this color (4.69:1).
About this color
#B3604D is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.112 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.025 away. Black text reads best on it, at 4.69:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #B3604D |
| RGB | rgb(179, 96, 77) |
| HSL | hsl(11, 40%, 50%) |
| OKLCH | oklch(58.2% 0.112 34) |
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 #B3604D | 4.47:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #B3604D | 4.69:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #B3604D text on white | 4.47:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #B3604D text on black | 4.69:1 | AA | Lc -31.0 | Non-text elements, placeholder text |
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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EBD3CD
oklch(88.5% 0.028 34.3)
-
Step 300
300
#DFB6AC
oklch(81% 0.05 34)
-
Step 400
400
#CE8E7F
oklch(70.6% 0.082 33.7)
-
Step 500
500
#BF715F
oklch(63% 0.103 33.9)
-
Step 600
600 (this color)
#B3604D
oklch(58.2% 0.112 34)
-
Step 700
700
#924837
oklch(49.1% 0.104 34.1)
-
Step 800
800
#773C2E
oklch(42.8% 0.086 34.4)
-
Step 900
900
#603329
oklch(37.6% 0.068 33.5)
-
Step 950
950
#381E18
oklch(26.8% 0.043 33.8)
#B3604D 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) | #756C4B | 0.110 |
| Deuteranopia (no green cones) | #897E4C | 0.102 |
| Tritanopia (no blue cones) | #C3525B | 0.049 |
| Achromatopsia (no color) | #777777 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3604D
#B3604D
oklch(58.2% 0.112 34)
- #008AA0
#008AA0
oklch(58.2% 0.102 214.1)
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 #B3604D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.025
- Adobe #BD6C48 ΔE 0.039
- Earth #A2653E ΔE 0.040
- Pinkish Brown #B17261 ΔE 0.043
- Copper #B66325 ΔE 0.044
- Terra Cotta #C9643B ΔE 0.048
- Terracotta #CA6641 ΔE 0.049
- Clay Brown #B2713D ΔE 0.052
Use #B3604D 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.