#CB591F
Closest named color: Rusty Orange (#CD5909). oklch(60% 0.16 43.7), rgb(203, 89, 31).
Aa
Black text reads best on this color (4.98:1).
About this color
#CB591F is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.160 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.010 away. Black text reads best on it, at 4.98:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.160) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #CB591F |
| RGB | rgb(203, 89, 31) |
| HSL | hsl(20, 74%, 46%) |
| OKLCH | oklch(60% 0.16 43.7) |
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 #CB591F | 4.21:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #CB591F | 4.98:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #CB591F text on white | 4.21:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #CB591F text on black | 4.98:1 | AA | Lc -33.3 | 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 500.
-
Step 50
50
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DE
oklch(93.5% 0.023 41.4)
-
Step 200
200
#F3D1C3
oklch(88.6% 0.043 43.7)
-
Step 300
300
#EDB198
oklch(81% 0.079 43.6)
-
Step 400
400
#E1855E
oklch(70.7% 0.125 43.3)
-
Step 500
500 (this color)
#CB591F
oklch(60% 0.16 43.7)
-
Step 600
600
#BD4A00
oklch(55.6% 0.163 43.7)
-
Step 700
700
#A03D00
oklch(49.1% 0.144 43.5)
-
Step 800
800
#843100
oklch(42.7% 0.125 43.5)
-
Step 900
900
#6D2A07
oklch(37.7% 0.105 43.3)
-
Step 950
950
#401A08
oklch(27.1% 0.066 43.9)
#CB591F 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) | #7A6B15 | 0.150 |
| Deuteranopia (no green cones) | #95851A | 0.137 |
| Tritanopia (no blue cones) | #DF3E4E | 0.081 |
| Achromatopsia (no color) | #7B7B7B | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB591F
#CB591F
oklch(60% 0.16 43.7)
- #008EB1
#008EB1
oklch(60% 0.112 223.3)
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 #CB591F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.010
- Rust Orange #C45508 ΔE 0.019
- Terra Cotta #C9643B ΔE 0.026
- Terracotta #CA6641 ΔE 0.032
- Burnt Orange #C04E01 ΔE 0.034
- Deep Orange #DC4D01 ΔE 0.034
- Rust #CA6702 ΔE 0.035
- Terracota #CB6843 ΔE 0.036
Use #CB591F 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.