#BB634B
Closest named color: Clay (#B66A50). oklch(59.7% 0.119 36.2), rgb(187, 99, 75).
Aa
Black text reads best on this color (4.99:1).
About this color
#BB634B is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.119 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.017 away. Black text reads best on it, at 4.99:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.99:1 |
| White text | 4.20:1 |
Values
| HEX | #BB634B |
| RGB | rgb(187, 99, 75) |
| HSL | hsl(13, 45%, 51%) |
| OKLCH | oklch(59.7% 0.119 36.2) |
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 #BB634B | 4.20:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #BB634B | 4.99:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #BB634B text on white | 4.20:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #BB634B text on black | 4.99:1 | AA | Lc -33.1 | 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 500.
-
Step 50
50
#FBF4F2
oklch(97.2% 0.008 36.6)
-
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
#D48C78
oklch(70.8% 0.093 36.2)
-
Step 500
500 (this color)
#BB634B
oklch(59.7% 0.119 36.2)
-
Step 600
600
#B2533A
oklch(55.6% 0.13 35.8)
-
Step 700
700
#98432C
oklch(49% 0.12 36.1)
-
Step 800
800
#7C3825
oklch(42.8% 0.1 36.5)
-
Step 900
900
#643123
oklch(37.7% 0.077 36.3)
-
Step 950
950
#3B1D15
oklch(27% 0.049 35.8)
#BB634B 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) | #797049 | 0.117 |
| Deuteranopia (no green cones) | #8F834A | 0.107 |
| Tritanopia (no blue cones) | #CC535D | 0.055 |
| Achromatopsia (no color) | #7C7C7C | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB634B
#BB634B
oklch(59.7% 0.119 36.2)
- #008EA8
#008EA8
oklch(59.6% 0.106 216.8)
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 #BB634B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.017
- Adobe #BD6C48 ΔE 0.024
- Terra Cotta #C9643B ΔE 0.031
- Terracotta #CA6641 ΔE 0.032
- Terracota #CB6843 ΔE 0.035
- Pinkish Brown #B17261 ΔE 0.039
- Copper #B66325 ΔE 0.040
- Indian Red #CD5C5C ΔE 0.044
Use #BB634B 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.