#BB523C
Closest named color: Brick Orange (#C14A09). oklch(56.9% 0.141 33.4), rgb(187, 82, 60).
Aa
White text reads best on this color (4.78:1).
About this color
#BB523C is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.141 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.035 away. White text reads best on it, at 4.78:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #BB523C |
| RGB | rgb(187, 82, 60) |
| HSL | hsl(10, 51%, 48%) |
| OKLCH | oklch(56.9% 0.141 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 #BB523C | 4.78:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #BB523C | 4.38:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #BB523C text on white | 4.78:1 | AA | Lc 72.6 | Content text, not long reading |
| #BB523C text on black | 4.38:1 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#EFD1CA
oklch(88.4% 0.035 33.3)
-
Step 300
300
#E6B2A6
oklch(80.8% 0.063 33.3)
-
Step 400
400
#D88977
oklch(70.7% 0.101 33.5)
-
Step 500
500
#CB6954
oklch(63.1% 0.129 33.3)
-
Step 600
600 (this color)
#BB523C
oklch(56.9% 0.141 33.4)
-
Step 700
700
#9D3E2B
oklch(49.1% 0.131 33.1)
-
Step 800
800
#803424
oklch(42.8% 0.109 33.5)
-
Step 900
900
#672E22
oklch(37.7% 0.085 33.3)
-
Step 950
950
#3D1C15
oklch(27.2% 0.054 33.1)
#BB523C 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) | #6E6439 | 0.142 |
| Deuteranopia (no green cones) | #887B39 | 0.131 |
| Tritanopia (no blue cones) | #CD3D4D | 0.057 |
| Achromatopsia (no color) | #727272 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB523C
#BB523C
oklch(56.9% 0.141 33.4)
- #00869A
#00869A
oklch(57% 0.1 212.9)
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 #BB523C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.035
- Dusty Red #B9484E ΔE 0.036
- Burnt Orange #C04E01 ΔE 0.037
- Dull Red #BB3F3F ΔE 0.039
- Burnt Siena #B75203 ΔE 0.040
- Rust Orange #C45508 ΔE 0.041
- Dark Coral #CF524E ΔE 0.044
- Sinopia #BB3E03 ΔE 0.045
Use #BB523C 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.