#BB7537
Closest named color: Clay Brown (#B2713D). oklch(62.6% 0.117 59.4), rgb(187, 117, 55).
Aa
Black text reads best on this color (5.71:1).
About this color
#BB7537 is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.117 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Clay Brown (#B2713D), ΔE 0.021 away. Black text reads best on it, at 5.71:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Clay Brown (#B2713D) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #BB7537 |
| RGB | rgb(187, 117, 55) |
| HSL | hsl(28, 55%, 47%) |
| OKLCH | oklch(62.6% 0.117 59.4) |
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 #BB7537 | 3.67:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #BB7537 | 5.71:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #BB7537 text on white | 3.67:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #BB7537 text on black | 5.71:1 | AA | Lc -37.6 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E8DF
oklch(93.7% 0.017 62)
-
Step 200
200
#EAD5C5
oklch(88.6% 0.032 59.7)
-
Step 300
300
#DDB89C
oklch(80.8% 0.057 59)
-
Step 400
400
#CB9365
oklch(70.7% 0.092 60)
-
Step 500
500 (this color)
#BB7537
oklch(62.6% 0.117 59.4)
-
Step 600
600
#A85E0C
oklch(55.6% 0.127 59.7)
-
Step 700
700
#8F4D00
oklch(49% 0.116 59.2)
-
Step 800
800
#753F05
oklch(42.6% 0.098 59)
-
Step 900
900
#5F3611
oklch(37.7% 0.077 58.6)
-
Step 950
950
#38200C
oklch(27% 0.049 58.3)
#BB7537 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) | #8A7C30 | 0.086 |
| Deuteranopia (no green cones) | #9B8C37 | 0.077 |
| Tritanopia (no blue cones) | #CC6667 | 0.083 |
| Achromatopsia (no color) | #858585 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB7537
#BB7537
oklch(62.6% 0.117 59.4)
- #3790C7
#3790C7
oklch(62.5% 0.118 239.9)
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 #BB7537, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay Brown #B2713D ΔE 0.021
- Tiger's Eye #BC6C25 ΔE 0.022
- Leather #AC7434 ΔE 0.027
- Adobe #BD6C48 ΔE 0.033
- Tan Brown #AB7E4C ΔE 0.033
- Brown Orange #B96902 ΔE 0.035
- Browny Orange #CA6B02 ΔE 0.035
- Light Brown #AD8150 ΔE 0.037
Use #BB7537 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.