#B28540
Closest named color: Dark Tan (#AF884A). oklch(64.7% 0.102 75.8), rgb(178, 133, 64).
Aa
Black text reads best on this color (6.32:1).
About this color
#B28540 is a medium-light, moderately saturated orange. In OKLCH its lightness is 65%, its chroma 0.102 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Tan (#AF884A), ΔE 0.011 away. Black text reads best on it, at 6.32:1.
| Hue family | Oranges |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Dark Tan (#AF884A) |
| Black text | 6.32:1 |
| White text | 3.32:1 |
Values
| HEX | #B28540 |
| RGB | rgb(178, 133, 64) |
| HSL | hsl(36, 47%, 47%) |
| OKLCH | oklch(64.7% 0.102 75.8) |
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 #B28540 | 3.32:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #B28540 | 6.32:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #B28540 text on white | 3.32:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #B28540 text on black | 6.32:1 | AA | Lc -41.2 | 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 500.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E9DF
oklch(93.7% 0.015 77.1)
-
Step 200
200
#E4D7C5
oklch(88.5% 0.028 76.2)
-
Step 300
300
#D4BD9D
oklch(81% 0.051 76)
-
Step 400
400
#BE9A67
oklch(70.8% 0.08 75.5)
-
Step 500
500 (this color)
#B28540
oklch(64.7% 0.102 75.8)
-
Step 600
600
#986912
oklch(55.6% 0.111 76.2)
-
Step 700
700
#825700
oklch(49.1% 0.103 75.7)
-
Step 800
800
#6A4708
oklch(42.7% 0.086 75.1)
-
Step 900
900
#563C12
oklch(37.7% 0.067 75.7)
-
Step 950
950
#32230D
oklch(26.9% 0.042 74.9)
#B28540 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) | #968739 | 0.048 |
| Deuteranopia (no green cones) | #A09142 | 0.041 |
| Tritanopia (no blue cones) | #C17976 | 0.088 |
| Achromatopsia (no color) | #8D8D8D | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B28540
#B28540
oklch(64.7% 0.102 75.8)
- #6390CC
#6390CC
oklch(64.6% 0.103 255.9)
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 #B28540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Tan #AF884A ΔE 0.011
- Light Brown #AD8150 ΔE 0.024
- Coffee #A6814C ΔE 0.027
- Tan Brown #AB7E4C ΔE 0.028
- Dark Sand #A88F59 ΔE 0.032
- Dark Goldenrod #B8860B ΔE 0.032
- Mustard Brown #AC7E04 ΔE 0.037
- Golden Brown #B27A01 ΔE 0.038
Use #B28540 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.