#B0644A
Closest named color: Clay (#B66A50). oklch(58.4% 0.106 39.5), rgb(176, 100, 74).
Aa
Black text reads best on this color (4.76:1).
About this color
#B0644A is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.106 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.019 away. Black text reads best on it, at 4.76:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.76:1 |
| White text | 4.40:1 |
Values
| HEX | #B0644A |
| RGB | rgb(176, 100, 74) |
| HSL | hsl(15, 41%, 49%) |
| OKLCH | oklch(58.4% 0.106 39.5) |
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 #B0644A | 4.40:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #B0644A | 4.76:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #B0644A text on white | 4.40:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #B0644A text on black | 4.76:1 | AA | Lc -31.4 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EAD4CC
oklch(88.6% 0.027 41.1)
-
Step 300
300
#DDB7AA
oklch(80.9% 0.048 39.8)
-
Step 400
400
#CA917D
oklch(70.7% 0.075 40.2)
-
Step 500
500
#BC745C
oklch(63.1% 0.098 39.2)
-
Step 600
600 (this color)
#B0644A
oklch(58.4% 0.106 39.5)
-
Step 700
700
#8F4B34
oklch(49.1% 0.098 39.3)
-
Step 800
800
#743E2B
oklch(42.7% 0.081 39.9)
-
Step 900
900
#5E3527
oklch(37.6% 0.064 39.5)
-
Step 950
950
#371F17
oklch(26.9% 0.04 39.2)
#B0644A 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) | #786E48 | 0.099 |
| Deuteranopia (no green cones) | #8A7F49 | 0.093 |
| Tritanopia (no blue cones) | #BF575E | 0.053 |
| Achromatopsia (no color) | #787878 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0644A
#B0644A
oklch(58.4% 0.106 39.5)
- #0189A6
#0189A6
oklch(58.3% 0.106 219.8)
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 #B0644A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.019
- Earth #A2653E ΔE 0.031
- Adobe #BD6C48 ΔE 0.033
- Copper #B66325 ΔE 0.037
- Pinkish Brown #B17261 ΔE 0.038
- Clay Brown #B2713D ΔE 0.041
- Terra Cotta #C9643B ΔE 0.047
- Terracotta #CA6641 ΔE 0.049
Use #B0644A 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.