#B1802F
Closest named color: Golden Brown (#B27A01). oklch(63.4% 0.113 76.3), rgb(177, 128, 47).
Aa
Black text reads best on this color (5.99:1).
About this color
#B1802F is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.113 and its hue 76°. Its hue sits on the warm side of the wheel. The nearest named color is Golden Brown (#B27A01), ΔE 0.021 away. Black text reads best on it, at 5.99:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Golden Brown (#B27A01) |
| Black text | 5.99:1 |
| White text | 3.50:1 |
Values
| HEX | #B1802F |
| RGB | rgb(177, 128, 47) |
| HSL | hsl(37, 58%, 44%) |
| OKLCH | oklch(63.4% 0.113 76.3) |
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 #B1802F | 3.50:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #B1802F | 5.99:1 | AA | Lc 41.7 | Non-text elements, placeholder text |
| #B1802F text on white | 3.50:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #B1802F text on black | 5.99:1 | AA | Lc -39.3 | 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
#F0E9DE
oklch(93.6% 0.017 79.3)
-
Step 200
200
#E5D7C3
oklch(88.5% 0.031 76.9)
-
Step 300
300
#D5BC99
oklch(80.8% 0.055 76.1)
-
Step 400
400
#C09960
oklch(70.6% 0.088 76)
-
Step 500
500 (this color)
#B1802F
oklch(63.4% 0.113 76.3)
-
Step 600
600
#9A6800
oklch(55.6% 0.117 75.8)
-
Step 700
700
#815700
oklch(49% 0.103 76.4)
-
Step 800
800
#6A4700
oklch(42.6% 0.089 76.7)
-
Step 900
900
#583B09
oklch(37.7% 0.074 75.2)
-
Step 950
950
#332309
oklch(27% 0.046 76.5)
#B1802F 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) | #928224 | 0.054 |
| Deuteranopia (no green cones) | #9E8E32 | 0.046 |
| Tritanopia (no blue cones) | #C1736F | 0.096 |
| Achromatopsia (no color) | #898989 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1802F
#B1802F
oklch(63.4% 0.113 76.3)
- #5B8CCE
#5B8CCE
oklch(63.4% 0.113 256.2)
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 #B1802F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Golden Brown #B27A01 ΔE 0.021
- Mustard Brown #AC7E04 ΔE 0.023
- Dark Tan #AF884A ΔE 0.026
- Dark Goldenrod #B8860B ΔE 0.029
- Coffee #A6814C ΔE 0.030
- Tan Brown #AB7E4C ΔE 0.031
- Light Brown #AD8150 ΔE 0.031
- Bronze #A87900 ΔE 0.031
Use #B1802F 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.