#CB5B2B
Closest named color: Rusty Orange (#CD5909). oklch(60.4% 0.155 41.8), rgb(203, 91, 43).
Aa
Black text reads best on this color (5.07:1).
About this color
#CB5B2B is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.155 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.016 away. Black text reads best on it, at 5.07:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.07:1 |
| White text | 4.14:1 |
Values
| HEX | #CB5B2B |
| RGB | rgb(203, 91, 43) |
| HSL | hsl(18, 65%, 48%) |
| OKLCH | oklch(60.4% 0.155 41.8) |
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 #CB5B2B | 4.14:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #CB5B2B | 5.07:1 | AA | Lc 36.3 | Non-text elements, placeholder text |
| #CB5B2B text on white | 4.14:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #CB5B2B text on black | 5.07:1 | AA | Lc -33.8 | 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
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F3D1C4
oklch(88.6% 0.042 42.1)
-
Step 300
300
#ECB19B
oklch(80.9% 0.076 41.4)
-
Step 400
400
#E08663
oklch(70.8% 0.121 41.8)
-
Step 500
500 (this color)
#CB5B2B
oklch(60.4% 0.155 41.8)
-
Step 600
600
#C04600
oklch(55.6% 0.169 41.6)
-
Step 700
700
#A23A00
oklch(49% 0.149 41.7)
-
Step 800
800
#862F00
oklch(42.8% 0.129 42)
-
Step 900
900
#6C2B0E
oklch(37.7% 0.101 41.9)
-
Step 950
950
#401A0A
oklch(27.1% 0.065 42.1)
#CB5B2B 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) | #7A6D24 | 0.149 |
| Deuteranopia (no green cones) | #968628 | 0.135 |
| Tritanopia (no blue cones) | #DF4251 | 0.076 |
| Achromatopsia (no color) | #7D7D7D | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CB5B2B
#CB5B2B
oklch(60.4% 0.155 41.8)
- #008FB1
#008FB1
oklch(60.3% 0.112 222.4)
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 #CB5B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.016
- Terra Cotta #C9643B ΔE 0.019
- Rust Orange #C45508 ΔE 0.025
- Terracotta #CA6641 ΔE 0.025
- Terracota #CB6843 ΔE 0.030
- Deep Orange #DC4D01 ΔE 0.036
- Rust #CA6702 ΔE 0.037
- Chocolate #D2691E ΔE 0.038
Use #CB5B2B 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.