#CE531F
Closest named color: Rusty Orange (#CD5909). oklch(59.6% 0.168 40.6), rgb(206, 83, 31).
Aa
Black text reads best on this color (4.88:1).
About this color
#CE531F is a medium-dark, vivid orange. In OKLCH its lightness is 60%, its chroma 0.168 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rusty Orange (#CD5909), ΔE 0.018 away. Black text reads best on it, at 4.88:1.
| Hue family | Oranges |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Rusty Orange (#CD5909) |
| Black text | 4.88:1 |
| White text | 4.30:1 |
Values
| HEX | #CE531F |
| RGB | rgb(206, 83, 31) |
| HSL | hsl(18, 74%, 46%) |
| OKLCH | oklch(59.6% 0.168 40.6) |
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 #CE531F | 4.30:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #CE531F | 4.88:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #CE531F text on white | 4.30:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #CE531F text on black | 4.88:1 | AA | Lc -32.7 | 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
#F9E5DE
oklch(93.6% 0.024 40.3)
-
Step 200
200
#F5D0C3
oklch(88.6% 0.045 40.3)
-
Step 300
300
#EFAF98
oklch(80.8% 0.082 40.6)
-
Step 400
400
#E5825E
oklch(70.7% 0.132 40.5)
-
Step 500
500 (this color)
#CE531F
oklch(59.6% 0.168 40.6)
-
Step 600
600
#C24400
oklch(55.7% 0.173 40.6)
-
Step 700
700
#A43800
oklch(49.1% 0.153 40.5)
-
Step 800
800
#872D00
oklch(42.7% 0.132 40.7)
-
Step 900
900
#6F2708
oklch(37.6% 0.11 40.3)
-
Step 950
950
#411808
oklch(26.9% 0.069 40.7)
#CE531F 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) | #766916 | 0.165 |
| Deuteranopia (no green cones) | #948419 | 0.149 |
| Tritanopia (no blue cones) | #E33449 | 0.078 |
| Achromatopsia (no color) | #7A7A7A | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CE531F
#CE531F
oklch(59.6% 0.168 40.6)
- #008DAC
#008DAC
oklch(59.6% 0.109 220.6)
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 #CE531F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rusty Orange #CD5909 ΔE 0.018
- Rust Orange #C45508 ΔE 0.023
- Deep Orange #DC4D01 ΔE 0.027
- Burnt Orange #C04E01 ΔE 0.033
- Brick Orange #C14A09 ΔE 0.034
- Terra Cotta #C9643B ΔE 0.034
- Terracotta #CA6641 ΔE 0.040
- Terracota #CB6843 ΔE 0.044
Use #CE531F 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.