#B1815B
Closest named color: Light Brown (#AD8150). oklch(64.2% 0.079 59.1), rgb(177, 129, 91).
Aa
Black text reads best on this color (6.16:1).
About this color
#B1815B is a medium-light, moderately saturated orange. In OKLCH its lightness is 64%, its chroma 0.079 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Light Brown (#AD8150), ΔE 0.016 away. Black text reads best on it, at 6.16:1.
| Hue family | Oranges |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.079) |
| Temperature | warm |
| Nearest name | Light Brown (#AD8150) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #B1815B |
| RGB | rgb(177, 129, 91) |
| HSL | hsl(27, 36%, 53%) |
| OKLCH | oklch(64.2% 0.079 59.1) |
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 #B1815B | 3.40:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #B1815B | 6.16:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #B1815B text on white | 3.40:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #B1815B text on black | 6.16:1 | AA | Lc -40.2 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#F0E8E3
oklch(93.6% 0.011 54.5)
-
Step 200
200
#E4D6CB
oklch(88.4% 0.022 60.7)
-
Step 300
300
#D4BBA8
oklch(80.8% 0.039 59.4)
-
Step 400
400
#BE987A
oklch(70.7% 0.062 59.8)
-
Step 500
500 (this color)
#B1815B
oklch(64.2% 0.079 59.1)
-
Step 600
600
#99663D
oklch(55.6% 0.087 58.5)
-
Step 700
700
#82552F
oklch(49.1% 0.08 59.5)
-
Step 800
800
#6A4628
oklch(42.8% 0.066 59.5)
-
Step 900
900
#563B25
oklch(37.8% 0.051 59.5)
-
Step 950
950
#322316
oklch(27.1% 0.032 61.8)
#B1815B 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) | #8F8558 | 0.056 |
| Deuteranopia (no green cones) | #9B8F5B | 0.050 |
| Tritanopia (no blue cones) | #BE7777 | 0.058 |
| Achromatopsia (no color) | #8B8B8B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1815B
#B1815B
oklch(64.2% 0.079 59.1)
- #5D94B8
#5D94B8
oklch(64.3% 0.079 238.4)
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 #B1815B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Brown #AD8150 ΔE 0.016
- Tan Brown #AB7E4C ΔE 0.021
- Puce #A57E52 ΔE 0.025
- Coffee #A6814C ΔE 0.027
- Dark Tan #AF884A ΔE 0.032
- Dark Sand #A88F59 ΔE 0.040
- Pale Brown #B1916E ΔE 0.041
- Pinkish Brown #B17261 ΔE 0.043
Use #B1815B 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.