#CF5B2B
Closest named color: Rusty Orange (#CD5909). oklch(61% 0.159 41.2), rgb(207, 91, 43).
Aa
Black text reads best on this color (5.18:1).
About this color
#CF5B2B is a medium-dark, vivid orange. In OKLCH its lightness is 61%, its chroma 0.159 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.017 away. Black text reads best on it, at 5.18:1.
| Hue family | Oranges |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #CF5B2B |
| RGB | rgb(207, 91, 43) |
| HSL | hsl(18, 66%, 49%) |
| OKLCH | oklch(61% 0.159 41.2) |
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 #CF5B2B | 4.05:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #CF5B2B | 5.18:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #CF5B2B text on white | 4.05:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #CF5B2B text on black | 5.18:1 | AA | Lc -34.6 | 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
#F3D0C4
oklch(88.4% 0.043 39.8)
-
Step 300
300
#EDB09A
oklch(80.8% 0.078 40.7)
-
Step 400
400
#E18461
oklch(70.6% 0.125 41.2)
-
Step 500
500 (this color)
#CF5B2B
oklch(61% 0.159 41.2)
-
Step 600
600
#C14500
oklch(55.6% 0.171 41.1)
-
Step 700
700
#A33900
oklch(49.1% 0.151 41.1)
-
Step 800
800
#872E00
oklch(42.8% 0.131 41.2)
-
Step 900
900
#6D2A0C
oklch(37.7% 0.104 41.6)
-
Step 950
950
#40190A
oklch(26.9% 0.066 40.6)
#CF5B2B 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) | #7C6E24 | 0.153 |
| Deuteranopia (no green cones) | #988827 | 0.140 |
| Tritanopia (no blue cones) | #E34051 | 0.077 |
| Achromatopsia (no color) | #7E7E7E | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CF5B2B
#CF5B2B
oklch(61% 0.159 41.2)
- #0092B2
#0092B2
oklch(61.1% 0.112 220.6)
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 #CF5B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.017
- Terra Cotta #C9643B ΔE 0.020
- Terracotta #CA6641 ΔE 0.025
- Terracota #CB6843 ΔE 0.029
- Rust Orange #C45508 ΔE 0.031
- Deep Orange #DC4D01 ΔE 0.031
- Chocolate #D2691E ΔE 0.035
- Rust #CA6702 ΔE 0.038
Use #CF5B2B 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.