#B57A3A
Closest named color: Tan Brown (#AB7E4C). oklch(62.8% 0.109 65.6), rgb(181, 122, 58).
Aa
Black text reads best on this color (5.80:1).
About this color
#B57A3A is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.109 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Tan Brown (#AB7E4C), ΔE 0.022 away. Black text reads best on it, at 5.80:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Tan Brown (#AB7E4C) |
| Black text | 5.80:1 |
| White text | 3.61:1 |
Values
| HEX | #B57A3A |
| RGB | rgb(181, 122, 58) |
| HSL | hsl(31, 51%, 47%) |
| OKLCH | oklch(62.8% 0.109 65.6) |
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 #B57A3A | 3.61:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #B57A3A | 5.80:1 | AA | Lc 40.5 | Non-text elements, placeholder text |
| #B57A3A text on white | 3.61:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #B57A3A text on black | 5.80:1 | AA | Lc -38.1 | 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
#F1E8DF
oklch(93.6% 0.016 67.6)
-
Step 200
200
#E7D6C5
oklch(88.5% 0.03 67.4)
-
Step 300
300
#D9BA9D
oklch(80.8% 0.053 65.1)
-
Step 400
400
#C59667
oklch(70.7% 0.084 65.7)
-
Step 500
500 (this color)
#B57A3A
oklch(62.8% 0.109 65.6)
-
Step 600
600
#A16312
oklch(55.6% 0.118 65.9)
-
Step 700
700
#8A5100
oklch(49% 0.11 65.1)
-
Step 800
800
#704308
oklch(42.7% 0.091 65.8)
-
Step 900
900
#5B3912
oklch(37.7% 0.071 65.8)
-
Step 950
950
#35220D
oklch(27.1% 0.044 66.7)
#B57A3A 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) | #8D7E33 | 0.069 |
| Deuteranopia (no green cones) | #9B8C3B | 0.061 |
| Tritanopia (no blue cones) | #C56C6C | 0.085 |
| Achromatopsia (no color) | #878787 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57A3A
#B57A3A
oklch(62.8% 0.109 65.6)
- #4B8EC6
#4B8EC6
oklch(62.7% 0.109 246)
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 #B57A3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tan Brown #AB7E4C ΔE 0.022
- Leather #AC7434 ΔE 0.023
- Light Brown #AD8150 ΔE 0.025
- Clay Brown #B2713D ΔE 0.025
- Coffee #A6814C ΔE 0.029
- Golden Brown #B27A01 ΔE 0.032
- Puce #A57E52 ΔE 0.033
- Tiger's Eye #BC6C25 ΔE 0.033
Use #B57A3A 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.