#B1783D
Closest named color: Leather (#AC7434). oklch(62% 0.104 64.7), rgb(177, 120, 61).
Aa
Black text reads best on this color (5.62:1).
About this color
#B1783D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.104 and its hue 65°. Its hue sits on the warm side of the wheel. The nearest named color is Leather (#AC7434), ΔE 0.015 away. Black text reads best on it, at 5.62:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.104) |
| Temperature | warm |
| Nearest name | Leather (#AC7434) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #B1783D |
| RGB | rgb(177, 120, 61) |
| HSL | hsl(31, 49%, 47%) |
| OKLCH | oklch(62% 0.104 64.7) |
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 #B1783D | 3.73:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #B1783D | 5.62:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #B1783D text on white | 3.73:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #B1783D text on black | 5.62:1 | AA | Lc -37.0 | 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
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8E0
oklch(93.6% 0.015 64.3)
-
Step 200
200
#E7D6C6
oklch(88.6% 0.029 65.7)
-
Step 300
300
#D8BA9F
oklch(80.8% 0.05 64)
-
Step 400
400
#C4966A
oklch(70.6% 0.081 64.6)
-
Step 500
500 (this color)
#B1783D
oklch(62% 0.104 64.7)
-
Step 600
600
#A0631D
oklch(55.5% 0.113 64.3)
-
Step 700
700
#89520E
oklch(49.1% 0.105 64.4)
-
Step 800
800
#6F4311
oklch(42.6% 0.087 64.1)
-
Step 900
900
#5A3916
oklch(37.6% 0.068 64.5)
-
Step 950
950
#35220E
oklch(27.1% 0.043 65.6)
#B1783D 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) | #8A7C37 | 0.067 |
| Deuteranopia (no green cones) | #98893E | 0.059 |
| Tritanopia (no blue cones) | #C06B6B | 0.080 |
| Achromatopsia (no color) | #848484 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1783D
#B1783D
oklch(62% 0.104 64.7)
- #4B8CC0
#4B8CC0
oklch(61.9% 0.104 244.7)
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 #B1783D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leather #AC7434 ΔE 0.015
- Clay Brown #B2713D ΔE 0.018
- Tan Brown #AB7E4C ΔE 0.019
- Light Brown #AD8150 ΔE 0.025
- Coffee #A6814C ΔE 0.027
- Puce #A57E52 ΔE 0.027
- Tiger's Eye #BC6C25 ΔE 0.032
- Caramel #AF6F09 ΔE 0.035
Use #B1783D 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.