#CB571A
Closest named color: Rusty Orange (#CD5909). oklch(59.7% 0.163 43.7), rgb(203, 87, 26).
Aa
Black text reads best on this color (4.91:1).
About this color
#CB571A is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.163 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 4.91:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #CB571A |
| RGB | rgb(203, 87, 26) |
| HSL | hsl(21, 77%, 45%) |
| OKLCH | oklch(59.7% 0.163 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 #CB571A | 4.27:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #CB571A | 4.91:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #CB571A text on white | 4.27:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #CB571A text on black | 4.91:1 | AA | Lc -32.9 | 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
#F4D1C2
oklch(88.6% 0.044 44.5)
-
Step 300
300
#EDB197
oklch(80.9% 0.079 44.5)
-
Step 400
400
#E2855C
oklch(70.8% 0.127 44)
-
Step 500
500 (this color)
#CB571A
oklch(59.7% 0.163 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
#6D2A05
oklch(37.7% 0.105 43.9)
-
Step 950
950
#401907
oklch(26.9% 0.067 43.4)
#CB571A 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) | #786A0D | 0.155 |
| Deuteranopia (no green cones) | #958414 | 0.139 |
| Tritanopia (no blue cones) | #DF3B4C | 0.082 |
| Achromatopsia (no color) | #7A7A7A | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB571A
#CB571A
oklch(59.7% 0.163 43.7)
- #008DB0
#008DB0
oklch(59.7% 0.112 223.4)
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 #CB571A, 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 0.016
- Terra Cotta #C9643B ΔE 0.030
- Burnt Orange #C04E01 ΔE 0.031
- Deep Orange #DC4D01 ΔE 0.033
- Brick Orange #C14A09 ΔE 0.035
- Terracotta #CA6641 ΔE 0.036
- Rust #CA6702 ΔE 0.038
Use #CB571A 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.