#BB583F
Closest named color: Rust Orange (#C45508). oklch(57.8% 0.134 35.3), rgb(187, 88, 63).
Aa
White text reads best on this color (4.58:1).
About this color
#BB583F is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.134 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.039 away. White text reads best on it, at 4.58:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.58:1 |
| White text | 4.58:1 |
Values
| HEX | #BB583F |
| RGB | rgb(187, 88, 63) |
| HSL | hsl(12, 50%, 49%) |
| OKLCH | oklch(57.8% 0.134 35.3) |
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 #BB583F | 4.58:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #BB583F | 4.58:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #BB583F text on white | 4.58:1 | AA | Lc 71.3 | Content text, not long reading |
| #BB583F text on black | 4.58:1 | AA | Lc -30.4 | 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 600.
-
Step 50
50
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EED2CA
oklch(88.5% 0.033 36.5)
-
Step 300
300
#E4B3A6
oklch(80.8% 0.06 35.3)
-
Step 400
400
#D58B77
oklch(70.7% 0.096 35.8)
-
Step 500
500
#C86C54
oklch(63.1% 0.123 35.6)
-
Step 600
600 (this color)
#BB583F
oklch(57.8% 0.134 35.3)
-
Step 700
700
#9A412B
oklch(49% 0.125 35.1)
-
Step 800
800
#7D3625
oklch(42.6% 0.103 34.7)
-
Step 900
900
#653022
oklch(37.7% 0.08 35.8)
-
Step 950
950
#3B1D15
oklch(27% 0.049 35.8)
#BB583F 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) | #72683C | 0.133 |
| Deuteranopia (no green cones) | #8A7E3D | 0.124 |
| Tritanopia (no blue cones) | #CD4552 | 0.058 |
| Achromatopsia (no color) | #757575 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB583F
#BB583F
oklch(57.8% 0.134 35.3)
- #0088A0
#0088A0
oklch(57.7% 0.103 216)
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 #BB583F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.039
- Burnt Orange #C04E01 ΔE 0.039
- Brick Orange #C14A09 ΔE 0.039
- Clay #B66A50 ΔE 0.039
- Burnt Siena #B75203 ΔE 0.041
- Terra Cotta #C9643B ΔE 0.042
- Copper #B66325 ΔE 0.042
- Dark Coral #CF524E ΔE 0.044
Use #BB583F 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.