#B1533F
Closest named color: Dusty Red (#B9484E). oklch(55.6% 0.127 33.4), rgb(177, 83, 63).
Aa
White text reads best on this color (5.02:1).
About this color
#B1533F is a medium-dark, moderately saturated red. In OKLCH its lightness is 56%, its chroma 0.127 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Red (#B9484E), ΔE 0.037 away. White text reads best on it, at 5.02:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Dusty Red (#B9484E) |
| Black text | 4.17:1 |
| White text | 5.02:1 |
Values
| HEX | #B1533F |
| RGB | rgb(177, 83, 63) |
| HSL | hsl(11, 48%, 47%) |
| OKLCH | oklch(55.6% 0.127 33.4) |
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 #B1533F | 5.02:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #B1533F | 4.17:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #B1533F text on white | 5.02:1 | AA | Lc 74.2 | Content text, not long reading |
| #B1533F text on black | 4.17:1 | AA large text | Lc -27.5 | Dividers and decoration only |
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 600.
-
Step 50
50
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EDD2CC
oklch(88.5% 0.031 32.6)
-
Step 300
300
#E3B4A9
oklch(80.9% 0.057 33.4)
-
Step 400
400
#D38B7B
oklch(70.6% 0.092 33.1)
-
Step 500
500
#C66D59
oklch(63.1% 0.118 33.7)
-
Step 600
600 (this color)
#B1533F
oklch(55.6% 0.127 33.4)
-
Step 700
700
#984331
oklch(49.1% 0.118 33.5)
-
Step 800
800
#7C3829
oklch(42.8% 0.098 33.8)
-
Step 900
900
#643126
oklch(37.8% 0.076 33.4)
-
Step 950
950
#3B1D16
oklch(27% 0.049 34.1)
#B1533F 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) | #6B623D | 0.128 |
| Deuteranopia (no green cones) | #82773D | 0.119 |
| Tritanopia (no blue cones) | #C2414E | 0.053 |
| Achromatopsia (no color) | #6F6F6F | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1533F
#B1533F
oklch(55.6% 0.127 33.4)
- #008195
#008195
oklch(55.4% 0.097 213.5)
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 #B1533F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Red #B9484E ΔE 0.037
- Sienna #A0522D ΔE 0.039
- Dull Red #BB3F3F ΔE 0.042
- Burnt Siena #B75203 ΔE 0.043
- Cinnamon #AC4F06 ΔE 0.044
- Brick Orange #C14A09 ΔE 0.045
- Burnt Orange #C04E01 ΔE 0.046
- Sinopia #BB3E03 ΔE 0.049
Use #B1533F 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.