#B1822F
Closest named color: Mustard Brown (#AC7E04). oklch(63.8% 0.113 78), rgb(177, 130, 47).
Aa
Black text reads best on this color (6.10:1).
About this color
#B1822F is a medium-light, moderately saturated orange. In OKLCH its lightness is 64%, its chroma 0.113 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.023 away. Black text reads best on it, at 6.10:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 6.10:1 |
| White text | 3.44:1 |
Values
| HEX | #B1822F |
| RGB | rgb(177, 130, 47) |
| HSL | hsl(38, 58%, 44%) |
| OKLCH | oklch(63.8% 0.113 78) |
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 #B1822F | 3.44:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #B1822F | 6.10:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #B1822F text on white | 3.44:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #B1822F text on black | 6.10:1 | AA | Lc -39.9 | 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
#D5BD99
oklch(81% 0.056 77.8)
-
Step 400
400
#BF9A5F
oklch(70.7% 0.089 78.2)
-
Step 500
500 (this color)
#B1822F
oklch(63.8% 0.113 78)
-
Step 600
600
#986900
oklch(55.6% 0.116 77.9)
-
Step 700
700
#805800
oklch(49.1% 0.102 78.1)
-
Step 800
800
#694800
oklch(42.7% 0.089 78.7)
-
Step 900
900
#573C08
oklch(37.8% 0.074 78)
-
Step 950
950
#332308
oklch(27% 0.047 77.3)
#B1822F 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) | #948324 | 0.050 |
| Deuteranopia (no green cones) | #9F8F32 | 0.043 |
| Tritanopia (no blue cones) | #C07571 | 0.097 |
| Achromatopsia (no color) | #8A8A8A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1822F
#B1822F
oklch(63.8% 0.113 78)
- #5F8CD0
#5F8CD0
oklch(63.7% 0.114 258.4)
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 #B1822F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.023
- Golden Brown #B27A01 ΔE 0.024
- Dark Tan #AF884A ΔE 0.024
- Dark Goldenrod #B8860B ΔE 0.025
- Coffee #A6814C ΔE 0.032
- Light Brown #AD8150 ΔE 0.033
- Tan Brown #AB7E4C ΔE 0.034
- Bronze #A87900 ΔE 0.034
Use #B1822F 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.