#BB644C
Closest named color: Clay (#B66A50). oklch(59.9% 0.118 36.3), rgb(187, 100, 76).
Aa
Black text reads best on this color (5.04:1).
About this color
#BB644C is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.118 and its hue 36°. 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 5.04:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #BB644C |
| RGB | rgb(187, 100, 76) |
| HSL | hsl(13, 45%, 52%) |
| OKLCH | oklch(59.9% 0.118 36.3) |
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 #BB644C | 4.16:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #BB644C | 5.04:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #BB644C text on white | 4.16:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #BB644C text on black | 5.04:1 | AA | Lc -33.3 | 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 500.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EDD2CB
oklch(88.4% 0.032 34.9)
-
Step 300
300
#E3B4A7
oklch(80.9% 0.058 36)
-
Step 400
400
#D38C78
oklch(70.7% 0.092 36.4)
-
Step 500
500 (this color)
#BB644C
oklch(59.9% 0.118 36.3)
-
Step 600
600
#B1543A
oklch(55.6% 0.128 36.5)
-
Step 700
700
#98442C
oklch(49.2% 0.119 36.8)
-
Step 800
800
#7B3826
oklch(42.6% 0.098 36)
-
Step 900
900
#643123
oklch(37.7% 0.077 36.3)
-
Step 950
950
#3B1D15
oklch(27% 0.049 35.8)
#BB644C 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) | #7A714A | 0.115 |
| Deuteranopia (no green cones) | #8F834B | 0.106 |
| Tritanopia (no blue cones) | #CC555E | 0.054 |
| Achromatopsia (no color) | #7C7C7C | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB644C
#BB644C
oklch(59.9% 0.118 36.3)
- #008FA9
#008FA9
oklch(59.9% 0.107 216.6)
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 #BB644C, 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 0.022
- Terra Cotta #C9643B ΔE 0.031
- Terracotta #CA6641 ΔE 0.031
- Terracota #CB6843 ΔE 0.034
- Pinkish Brown #B17261 ΔE 0.037
- Copper #B66325 ΔE 0.040
- Clay Brown #B2713D ΔE 0.044
Use #BB644C 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.