#B65133
Closest named color: Burnt Siena (#B75203). oklch(55.8% 0.139 37.2), rgb(182, 81, 51).
Aa
White text reads best on this color (4.98:1).
About this color
#B65133 is a medium-dark, moderately saturated red. In OKLCH its lightness is 56%, its chroma 0.139 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.030 away. White text reads best on it, at 4.98:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #B65133 |
| RGB | rgb(182, 81, 51) |
| HSL | hsl(14, 56%, 46%) |
| OKLCH | oklch(55.8% 0.139 37.2) |
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 #B65133 | 4.98:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #B65133 | 4.21:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #B65133 text on white | 4.98:1 | AA | Lc 73.9 | Content text, not long reading |
| #B65133 text on black | 4.21:1 | AA large text | Lc -27.8 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E5B3A4
oklch(80.8% 0.062 37.3)
-
Step 400
400
#D78A74
oklch(70.7% 0.1 36.7)
-
Step 500
500
#CA6B4F
oklch(63.2% 0.128 37.2)
-
Step 600
600 (this color)
#B65133
oklch(55.8% 0.139 37.2)
-
Step 700
700
#9C4025
oklch(49.1% 0.13 36.9)
-
Step 800
800
#7E3620
oklch(42.7% 0.106 37.5)
-
Step 900
900
#662F1F
oklch(37.6% 0.084 37)
-
Step 950
950
#3C1C13
oklch(26.9% 0.053 36.6)
#B65133 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) | #6C6230 | 0.137 |
| Deuteranopia (no green cones) | #857830 | 0.126 |
| Tritanopia (no blue cones) | #C83C4A | 0.061 |
| Achromatopsia (no color) | #707070 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B65133
#B65133
oklch(55.8% 0.139 37.2)
- #00829A
#00829A
oklch(55.9% 0.1 216.8)
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 #B65133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.030
- Brick Orange #C14A09 ΔE 0.030
- Burnt Orange #C04E01 ΔE 0.032
- Cinnamon #AC4F06 ΔE 0.037
- Sinopia #BB3E03 ΔE 0.038
- Rust Orange #C45508 ΔE 0.040
- Dull Red #BB3F3F ΔE 0.042
- Sienna #A0522D ΔE 0.043
Use #B65133 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.