#BB603F
Closest named color: Clay (#B66A50). oklch(59.1% 0.126 40.2), rgb(187, 96, 63).
Aa
Black text reads best on this color (4.85:1).
About this color
#BB603F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 59%, its chroma 0.126 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.025 away. Black text reads best on it, at 4.85:1.
| Hue family | Browns |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.85:1 |
| White text | 4.32:1 |
Values
| HEX | #BB603F |
| RGB | rgb(187, 96, 63) |
| HSL | hsl(16, 50%, 49%) |
| OKLCH | oklch(59.1% 0.126 40.2) |
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 #BB603F | 4.32:1 | AA large text | Lc -75.0 | Content text, not long reading |
| Black text on #BB603F | 4.85:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #BB603F text on white | 4.32:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #BB603F text on black | 4.85:1 | AA | Lc -32.2 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#EDD3CA
oklch(88.6% 0.032 40.1)
-
Step 300
300
#E2B5A5
oklch(80.9% 0.057 40.5)
-
Step 400
400
#D28D75
oklch(70.7% 0.091 40)
-
Step 500
500
#C46F51
oklch(63% 0.116 40)
-
Step 600
600 (this color)
#BB603F
oklch(59.1% 0.126 40.2)
-
Step 700
700
#974527
oklch(49.1% 0.119 40)
-
Step 800
800
#7A3A22
oklch(42.7% 0.096 40.6)
-
Step 900
900
#633221
oklch(37.7% 0.076 39.7)
-
Step 950
950
#3A1E14
oklch(27.1% 0.047 40.3)
#BB603F 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) | #786D3C | 0.120 |
| Deuteranopia (no green cones) | #8E813D | 0.111 |
| Tritanopia (no blue cones) | #CC4F58 | 0.061 |
| Achromatopsia (no color) | #797979 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB603F
#BB603F
oklch(59.1% 0.126 40.2)
- #008BAA
#008BAA
oklch(59% 0.108 220.9)
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 #BB603F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.025
- Adobe #BD6C48 ΔE 0.028
- Copper #B66325 ΔE 0.029
- Terra Cotta #C9643B ΔE 0.029
- Terracotta #CA6641 ΔE 0.033
- Terracota #CB6843 ΔE 0.037
- Rust Orange #C45508 ΔE 0.038
- Tiger's Eye #BC6C25 ΔE 0.043
Use #BB603F 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.