#B28638
Closest named color: Dark Tan (#AF884A). oklch(64.8% 0.109 78.9), rgb(178, 134, 56).
Aa
Black text reads best on this color (6.36:1).
About this color
#B28638 is a medium-light, moderately saturated orange. In OKLCH its lightness is 65%, its chroma 0.109 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Tan (#AF884A), ΔE 0.016 away. Black text reads best on it, at 6.36:1.
| Hue family | Oranges |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Dark Tan (#AF884A) |
| Black text | 6.36:1 |
| White text | 3.30:1 |
Values
| HEX | #B28638 |
| RGB | rgb(178, 134, 56) |
| HSL | hsl(38, 52%, 46%) |
| OKLCH | oklch(64.8% 0.109 78.9) |
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 #B28638 | 3.30:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #B28638 | 6.36:1 | AA | Lc 43.8 | Non-text elements, placeholder text |
| #B28638 text on white | 3.30:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #B28638 text on black | 6.36:1 | AA | Lc -41.5 | 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
#EFE9DF
oklch(93.6% 0.015 80.7)
-
Step 200
200
#E4D7C4
oklch(88.5% 0.029 77.5)
-
Step 300
300
#D3BD9A
oklch(80.8% 0.053 79.3)
-
Step 400
400
#BD9B62
oklch(70.8% 0.085 79.6)
-
Step 500
500 (this color)
#B28638
oklch(64.8% 0.109 78.9)
-
Step 600
600
#976A00
oklch(55.7% 0.116 79.3)
-
Step 700
700
#7F5800
oklch(49% 0.102 78.8)
-
Step 800
800
#694800
oklch(42.7% 0.089 78.7)
-
Step 900
900
#563C0C
oklch(37.7% 0.071 77.9)
-
Step 950
950
#32240A
oklch(27.1% 0.045 80.2)
#B28638 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) | #97872F | 0.046 |
| Deuteranopia (no green cones) | #A2923B | 0.039 |
| Tritanopia (no blue cones) | #C17975 | 0.094 |
| Achromatopsia (no color) | #8D8D8D | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B28638
#B28638
oklch(64.8% 0.109 78.9)
- #658FD0
#658FD0
oklch(64.7% 0.109 258.9)
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 #B28638, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Tan #AF884A ΔE 0.016
- Dark Goldenrod #B8860B ΔE 0.025
- Light Brown #AD8150 ΔE 0.032
- Yellowy Brown #AE8B0C ΔE 0.033
- Mustard Brown #AC7E04 ΔE 0.033
- Coffee #A6814C ΔE 0.033
- Golden Brown #B27A01 ΔE 0.035
- Dark Sand #A88F59 ΔE 0.035
Use #B28638 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.