#CB5B1A
Closest named color: Rusty Orange (#CD5909). oklch(60.3% 0.159 45.5), rgb(203, 91, 26).
Aa
Black text reads best on this color (5.05:1).
About this color
#CB5B1A is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.159 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.007 away. Black text reads best on it, at 5.05:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #CB5B1A |
| RGB | rgb(203, 91, 26) |
| HSL | hsl(22, 77%, 45%) |
| OKLCH | oklch(60.3% 0.159 45.5) |
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 #CB5B1A | 4.15:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #CB5B1A | 5.05:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #CB5B1A text on white | 4.15:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #CB5B1A text on black | 5.05:1 | AA | Lc -33.7 | 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
#F8E6DE
oklch(93.7% 0.023 45.6)
-
Step 200
200
#F3D1C2
oklch(88.5% 0.043 45.2)
-
Step 300
300
#ECB197
oklch(80.8% 0.078 44.8)
-
Step 400
400
#E0865B
oklch(70.7% 0.125 45.7)
-
Step 500
500 (this color)
#CB5B1A
oklch(60.3% 0.159 45.5)
-
Step 600
600
#BA4D00
oklch(55.5% 0.157 45.6)
-
Step 700
700
#9D4000
oklch(49% 0.139 45.7)
-
Step 800
800
#823300
oklch(42.6% 0.121 45.2)
-
Step 900
900
#6C2B03
oklch(37.7% 0.104 45.7)
-
Step 950
950
#401A07
oklch(27.1% 0.066 44.8)
#CB5B1A 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) | #7B6D0C | 0.149 |
| Deuteranopia (no green cones) | #968615 | 0.135 |
| Tritanopia (no blue cones) | #DF414F | 0.084 |
| Achromatopsia (no color) | #7C7C7C | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB5B1A
#CB5B1A
oklch(60.3% 0.159 45.5)
- #008EB5
#008EB5
oklch(60.2% 0.115 225.9)
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 #CB5B1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.007
- Rust Orange #C45508 ΔE 0.020
- Terra Cotta #C9643B ΔE 0.025
- Rust #CA6702 ΔE 0.030
- Terracotta #CA6641 ΔE 0.032
- Orange Brown #BE6400 ΔE 0.033
- Chocolate #D2691E ΔE 0.035
- Terracota #CB6843 ΔE 0.036
Use #CB5B1A 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.