#BB633C
Closest named color: Adobe (#BD6C48). oklch(59.5% 0.125 43.6), rgb(187, 99, 60).
Aa
Black text reads best on this color (4.96:1).
About this color
#BB633C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 60%, its chroma 0.125 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Adobe (#BD6C48), ΔE 0.022 away. Black text reads best on it, at 4.96:1.
| Hue family | Browns |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Adobe (#BD6C48) |
| Black text | 4.96:1 |
| White text | 4.23:1 |
Values
| HEX | #BB633C |
| RGB | rgb(187, 99, 60) |
| HSL | hsl(18, 51%, 48%) |
| OKLCH | oklch(59.5% 0.125 43.6) |
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 #BB633C | 4.23:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #BB633C | 4.96:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #BB633C text on white | 4.23:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #BB633C text on black | 4.96:1 | AA | Lc -32.9 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED3C7
oklch(88.6% 0.034 45.5)
-
Step 300
300
#E4B5A1
oklch(81% 0.061 44.2)
-
Step 400
400
#D48C6E
oklch(70.6% 0.098 43.4)
-
Step 500
500 (this color)
#BB633C
oklch(59.5% 0.125 43.6)
-
Step 600
600
#B25427
oklch(55.6% 0.135 43.9)
-
Step 700
700
#99441A
oklch(49.1% 0.126 43.8)
-
Step 800
800
#7C3818
oklch(42.6% 0.104 43.6)
-
Step 900
900
#64311A
oklch(37.6% 0.081 43.8)
-
Step 950
950
#3B1D10
oklch(26.9% 0.052 43.5)
#BB633C 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) | #7B6F38 | 0.115 |
| Deuteranopia (no green cones) | #90833B | 0.106 |
| Tritanopia (no blue cones) | #CC525A | 0.066 |
| Achromatopsia (no color) | #7B7B7B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB633C
#BB633C
oklch(59.5% 0.125 43.6)
- #008CAF
#008CAF
oklch(59.4% 0.111 223.6)
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 #BB633C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Adobe #BD6C48 ΔE 0.022
- Clay #B66A50 ΔE 0.023
- Copper #B66325 ΔE 0.023
- Terra Cotta #C9643B ΔE 0.026
- Terracotta #CA6641 ΔE 0.030
- Terracota #CB6843 ΔE 0.034
- Tiger's Eye #BC6C25 ΔE 0.034
- Clay Brown #B2713D ΔE 0.036
Use #BB633C 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.