#BB645D
Closest named color: Clay (#B66A50). oklch(60.2% 0.113 25.8), rgb(187, 100, 93).
Aa
Black text reads best on this color (5.09:1).
About this color
#BB645D is a medium-dark, moderately saturated red. In OKLCH its lightness is 60%, its chroma 0.113 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.027 away. Black text reads best on it, at 5.09:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 5.09:1 |
| White text | 4.12:1 |
Values
| HEX | #BB645D |
| RGB | rgb(187, 100, 93) |
| HSL | hsl(4, 41%, 55%) |
| OKLCH | oklch(60.2% 0.113 25.8) |
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 #BB645D | 4.12:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #BB645D | 5.09:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #BB645D text on white | 4.12:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #BB645D text on black | 5.09:1 | AA | Lc -33.7 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F4E6E4
oklch(93.5% 0.016 27.3)
-
Step 200
200
#EDD2CF
oklch(88.5% 0.031 25.3)
-
Step 300
300
#E2B4AE
oklch(80.9% 0.054 26.9)
-
Step 400
400
#D28B84
oklch(70.7% 0.088 25.7)
-
Step 500
500 (this color)
#BB645D
oklch(60.2% 0.113 25.8)
-
Step 600
600
#B0534C
oklch(55.6% 0.123 26.2)
-
Step 700
700
#97433E
oklch(49.2% 0.114 25.6)
-
Step 800
800
#7B3833
oklch(42.8% 0.095 26.1)
-
Step 900
900
#63312D
oklch(37.8% 0.073 25.8)
-
Step 950
950
#3A1D1A
oklch(27% 0.046 26.8)
#BB645D 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) | #78725C | 0.117 |
| Deuteranopia (no green cones) | #8D845B | 0.110 |
| Tritanopia (no blue cones) | #CB5763 | 0.041 |
| Achromatopsia (no color) | #7D7D7D | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB645D
#BB645D
oklch(60.2% 0.113 25.8)
- #00929F
#00929F
oklch(60.3% 0.103 205.9)
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 #BB645D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.027
- Dusky Rose #BA6873 ΔE 0.029
- Indian Red #CD5C5C ΔE 0.035
- Pinkish Brown #B17261 ΔE 0.035
- Adobe #BD6C48 ΔE 0.038
- Terracotta #CA6641 ΔE 0.044
- Terracota #CB6843 ΔE 0.046
- Terra Cotta #C9643B ΔE 0.046
Use #BB645D 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.