#BB583A
Closest named color: Rust Orange (#C45508). oklch(57.7% 0.136 37.5), rgb(187, 88, 58).
Aa
White text reads best on this color (4.59:1).
About this color
#BB583A is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.136 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.034 away. White text reads best on it, at 4.59:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.56:1 |
| White text | 4.59:1 |
Values
| HEX | #BB583A |
| RGB | rgb(187, 88, 58) |
| HSL | hsl(14, 53%, 48%) |
| OKLCH | oklch(57.7% 0.136 37.5) |
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 #BB583A | 4.59:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #BB583A | 4.56:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #BB583A text on white | 4.59:1 | AA | Lc 71.4 | Content text, not long reading |
| #BB583A text on black | 4.56:1 | AA | Lc -30.3 | 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
#EED2C9
oklch(88.5% 0.034 38.6)
-
Step 300
300
#E5B4A5
oklch(81% 0.061 37.7)
-
Step 400
400
#D58B74
oklch(70.7% 0.097 38)
-
Step 500
500
#C86C50
oklch(63.1% 0.124 37.7)
-
Step 600
600 (this color)
#BB583A
oklch(57.7% 0.136 37.5)
-
Step 700
700
#9A4226
oklch(49.1% 0.125 38)
-
Step 800
800
#7D3721
oklch(42.7% 0.103 37.9)
-
Step 900
900
#653020
oklch(37.6% 0.081 37.6)
-
Step 950
950
#3C1D13
oklch(27.1% 0.052 38.6)
#BB583A 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) | #726837 | 0.133 |
| Deuteranopia (no green cones) | #8B7D38 | 0.121 |
| Tritanopia (no blue cones) | #CD4451 | 0.062 |
| Achromatopsia (no color) | #757575 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BB583A
#BB583A
oklch(57.7% 0.136 37.5)
- #0088A2
#0088A2
oklch(57.8% 0.104 217.6)
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 #BB583A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.034
- Burnt Orange #C04E01 ΔE 0.034
- Brick Orange #C14A09 ΔE 0.036
- Burnt Siena #B75203 ΔE 0.036
- Copper #B66325 ΔE 0.037
- Clay #B66A50 ΔE 0.040
- Terra Cotta #C9643B ΔE 0.041
- Terracotta #CA6641 ΔE 0.045
Use #BB583A 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.