#B18937
Closest named color: Dark Tan (#AF884A). oklch(65.3% 0.11 82.4), rgb(177, 137, 55).
Aa
Black text reads best on this color (6.50:1).
About this color
#B18937 is a medium-light, moderately saturated orange. In OKLCH its lightness is 65%, its chroma 0.110 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Tan (#AF884A), ΔE 0.019 away. Black text reads best on it, at 6.50:1.
| Hue family | Oranges |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Dark Tan (#AF884A) |
| Black text | 6.50:1 |
| White text | 3.22:1 |
Values
| HEX | #B18937 |
| RGB | rgb(177, 137, 55) |
| HSL | hsl(40, 53%, 45%) |
| OKLCH | oklch(65.3% 0.11 82.4) |
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 #B18937 | 3.22:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #B18937 | 6.50:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #B18937 text on white | 3.22:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #B18937 text on black | 6.50:1 | AA | Lc -42.3 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DE
oklch(93.6% 0.016 82.8)
-
Step 200
200
#E3D8C3
oklch(88.5% 0.031 83.6)
-
Step 300
300
#D2BE9A
oklch(80.9% 0.053 82.2)
-
Step 400
400
#BB9C60
oklch(70.7% 0.087 83)
-
Step 500
500 (this color)
#B18937
oklch(65.3% 0.11 82.4)
-
Step 600
600
#946B00
oklch(55.5% 0.114 82)
-
Step 700
700
#7D5A00
oklch(49.1% 0.101 82.2)
-
Step 800
800
#664900
oklch(42.6% 0.088 82.4)
-
Step 900
900
#543D0A
oklch(37.6% 0.071 82.1)
-
Step 950
950
#312409
oklch(26.9% 0.045 82.8)
#B18937 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) | #9A892D | 0.040 |
| Deuteranopia (no green cones) | #A3933A | 0.033 |
| Tritanopia (no blue cones) | #C07D78 | 0.097 |
| Achromatopsia (no color) | #8F8F8F | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B18937
#B18937
oklch(65.3% 0.11 82.4)
- #6B8FD3
#6B8FD3
oklch(65.2% 0.11 262.4)
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 #B18937, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Tan #AF884A ΔE 0.019
- Dark Goldenrod #B8860B ΔE 0.022
- Yellowy Brown #AE8B0C ΔE 0.027
- Dark Mustard #A88905 ΔE 0.032
- Dark Sand #A88F59 ΔE 0.033
- Mustard Brown #AC7E04 ΔE 0.035
- Light Brown #AD8150 ΔE 0.038
- Coffee #A6814C ΔE 0.039
Use #B18937 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.