#BF583B
Closest named color: Rust Orange (#C45508). oklch(58.3% 0.14 36.6), rgb(191, 88, 59).
Aa
Black text reads best on this color (4.67:1).
About this color
#BF583B is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.140 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Orange (#C45508), ΔE 0.033 away. Black text reads best on it, at 4.67:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Rust Orange (#C45508) |
| Black text | 4.67:1 |
| White text | 4.49:1 |
Values
| HEX | #BF583B |
| RGB | rgb(191, 88, 59) |
| HSL | hsl(13, 53%, 49%) |
| OKLCH | oklch(58.3% 0.14 36.6) |
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 #BF583B | 4.49:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #BF583B | 4.67:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #BF583B text on white | 4.49:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #BF583B text on black | 4.67:1 | AA | Lc -31.1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E6B3A4
oklch(80.9% 0.063 37)
-
Step 400
400
#D78A74
oklch(70.7% 0.1 36.7)
-
Step 500
500
#CA6A4F
oklch(63% 0.129 36.6)
-
Step 600
600 (this color)
#BF583B
oklch(58.3% 0.14 36.6)
-
Step 700
700
#9C4025
oklch(49.1% 0.13 36.9)
-
Step 800
800
#7F3520
oklch(42.7% 0.108 36.6)
-
Step 900
900
#662F20
oklch(37.6% 0.083 36.2)
-
Step 950
950
#3C1C13
oklch(26.9% 0.053 36.6)
#BF583B 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) | #746938 | 0.137 |
| Deuteranopia (no green cones) | #8D7F39 | 0.126 |
| Tritanopia (no blue cones) | #D14351 | 0.061 |
| Achromatopsia (no color) | #777777 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF583B
#BF583B
oklch(58.3% 0.14 36.6)
- #008AA3
#008AA3
oklch(58.4% 0.104 216.5)
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 #BF583B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Orange #C45508 ΔE 0.033
- Terra Cotta #C9643B ΔE 0.035
- Burnt Orange #C04E01 ΔE 0.035
- Brick Orange #C14A09 ΔE 0.036
- Terracotta #CA6641 ΔE 0.039
- Copper #B66325 ΔE 0.040
- Burnt Siena #B75203 ΔE 0.040
- Clay #B66A50 ΔE 0.041
Use #BF583B 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.