#B3593F
Closest named color: Burnt Siena (#B75203). oklch(56.8% 0.124 37), rgb(179, 89, 63).
Aa
White text reads best on this color (4.75:1).
About this color
#B3593F is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.124 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.039 away. White text reads best on it, at 4.75:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #B3593F |
| RGB | rgb(179, 89, 63) |
| HSL | hsl(13, 48%, 47%) |
| OKLCH | oklch(56.8% 0.124 37) |
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 #B3593F | 4.75:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #B3593F | 4.41:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #B3593F text on white | 4.75:1 | AA | Lc 72.5 | Content text, not long reading |
| #B3593F text on black | 4.41:1 | AA large text | Lc -29.1 | 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
#F4E6E2
oklch(93.5% 0.016 36.5)
-
Step 200
200
#EDD3CB
oklch(88.6% 0.031 37.8)
-
Step 300
300
#E2B5A8
oklch(81% 0.056 36.7)
-
Step 400
400
#D18D79
oklch(70.7% 0.088 37.1)
-
Step 500
500
#C46F56
oklch(63.1% 0.114 37.2)
-
Step 600
600 (this color)
#B3593F
oklch(56.8% 0.124 37)
-
Step 700
700
#96452E
oklch(49% 0.115 36.7)
-
Step 800
800
#7A3927
oklch(42.6% 0.096 36.4)
-
Step 900
900
#633224
oklch(37.8% 0.075 36.8)
-
Step 950
950
#3A1E15
oklch(27.1% 0.047 38.6)
#B3593F 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) | #71673C | 0.120 |
| Deuteranopia (no green cones) | #867A3D | 0.112 |
| Tritanopia (no blue cones) | #C44853 | 0.057 |
| Achromatopsia (no color) | #737373 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3593F
#B3593F
oklch(56.8% 0.124 37)
- #00859D
#00859D
oklch(56.8% 0.101 216.4)
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 #B3593F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.039
- Copper #B66325 ΔE 0.040
- Clay #B66A50 ΔE 0.040
- Earth #A2653E ΔE 0.040
- Burnt Orange #C04E01 ΔE 0.043
- Brick Orange #C14A09 ΔE 0.044
- Sienna #A0522D ΔE 0.045
- Rust Orange #C45508 ΔE 0.045
Use #B3593F 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.