#B78337
Closest named color: Dark Tan (#AF884A). oklch(64.8% 0.112 73.6), rgb(183, 131, 55).
Aa
Black text reads best on this color (6.31:1).
About this color
#B78337 is a medium-light, moderately saturated orange. In OKLCH its lightness is 65%, its chroma 0.112 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Tan (#AF884A), ΔE 0.020 away. Black text reads best on it, at 6.31:1.
| Hue family | Oranges |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Dark Tan (#AF884A) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #B78337 |
| RGB | rgb(183, 131, 55) |
| HSL | hsl(36, 54%, 47%) |
| OKLCH | oklch(64.8% 0.112 73.6) |
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 #B78337 | 3.32:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #B78337 | 6.31:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #B78337 text on white | 3.32:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #B78337 text on black | 6.31:1 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E8DF
oklch(93.5% 0.015 70.9)
-
Step 200
200
#E6D7C4
oklch(88.6% 0.03 73.9)
-
Step 300
300
#D6BC9A
oklch(80.9% 0.055 74.3)
-
Step 400
400
#C29861
oklch(70.7% 0.088 73.1)
-
Step 500
500 (this color)
#B78337
oklch(64.8% 0.112 73.6)
-
Step 600
600
#9C6700
oklch(55.7% 0.118 73.9)
-
Step 700
700
#845600
oklch(49.2% 0.105 73.4)
-
Step 800
800
#6C4600
oklch(42.7% 0.091 73.9)
-
Step 900
900
#583B0B
oklch(37.7% 0.073 74.6)
-
Step 950
950
#34230A
oklch(27.1% 0.046 74)
#B78337 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) | #96862E | 0.057 |
| Deuteranopia (no green cones) | #A29239 | 0.050 |
| Tritanopia (no blue cones) | #C77673 | 0.093 |
| Achromatopsia (no color) | #8D8D8D | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B78337
#B78337
oklch(64.8% 0.112 73.6)
- #5C91D1
#5C91D1
oklch(64.7% 0.112 254)
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 #B78337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Tan #AF884A ΔE 0.020
- Dark Goldenrod #B8860B ΔE 0.027
- Light Brown #AD8150 ΔE 0.031
- Golden Brown #B27A01 ΔE 0.033
- Tan Brown #AB7E4C ΔE 0.034
- Coffee #A6814C ΔE 0.035
- Mustard Brown #AC7E04 ΔE 0.035
- Peru #CD853F ΔE 0.040
Use #B78337 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.