#B4644D
Closest named color: Clay (#B66A50). oklch(59% 0.109 36.9), rgb(180, 100, 77).
Aa
Black text reads best on this color (4.87:1).
About this color
#B4644D is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.109 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.015 away. Black text reads best on it, at 4.87:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.87:1 |
| White text | 4.31:1 |
Values
| HEX | #B4644D |
| RGB | rgb(180, 100, 77) |
| HSL | hsl(13, 41%, 50%) |
| OKLCH | oklch(59% 0.109 36.9) |
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 #B4644D | 4.31:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #B4644D | 4.87:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #B4644D text on white | 4.31:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #B4644D text on black | 4.87:1 | AA | Lc -32.1 | 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
#EAD3CD
oklch(88.4% 0.027 35)
-
Step 300
300
#DEB6AB
oklch(80.9% 0.049 35.9)
-
Step 400
400
#CC907E
oklch(70.8% 0.078 37.4)
-
Step 500
500
#BE735D
oklch(63.2% 0.101 37.1)
-
Step 600
600 (this color)
#B4644D
oklch(59% 0.109 36.9)
-
Step 700
700
#914A35
oklch(49.2% 0.101 37.3)
-
Step 800
800
#763D2C
oklch(42.8% 0.084 37.4)
-
Step 900
900
#5F3428
oklch(37.6% 0.066 36.4)
-
Step 950
950
#381F18
oklch(27% 0.041 36.4)
#B4644D 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) | #786F4B | 0.106 |
| Deuteranopia (no green cones) | #8C804C | 0.096 |
| Tritanopia (no blue cones) | #C4565E | 0.052 |
| Achromatopsia (no color) | #7A7A7A | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4644D
#B4644D
oklch(59% 0.109 36.9)
- #008CA6
#008CA6
oklch(59% 0.105 217)
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 #B4644D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.015
- Adobe #BD6C48 ΔE 0.029
- Pinkish Brown #B17261 ΔE 0.035
- Earth #A2653E ΔE 0.039
- Copper #B66325 ΔE 0.039
- Terra Cotta #C9643B ΔE 0.042
- Clay Brown #B2713D ΔE 0.043
- Terracotta #CA6641 ΔE 0.043
Use #B4644D 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.