#CE3B00
Closest named color: Brick Orange (#C14A09). oklch(56.7% 0.191 36.6), rgb(206, 59, 0).
Aa
White text reads best on this color (4.94:1).
About this color
#CE3B00 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.191 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.031 away. White text reads best on it, at 4.94:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #CE3B00 |
| RGB | rgb(206, 59, 0) |
| HSL | hsl(17, 100%, 40%) |
| OKLCH | oklch(56.7% 0.191 36.6) |
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 #CE3B00 | 4.94:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #CE3B00 | 4.24:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #CE3B00 text on white | 4.94:1 | AA | Lc 72.8 | Content text, not long reading |
| #CE3B00 text on black | 4.24:1 | AA large text | Lc -28.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE5DE
oklch(93.7% 0.025 39.4)
-
Step 200
200
#F7CFC3
oklch(88.5% 0.048 37.3)
-
Step 300
300
#F2AD9A
oklch(80.8% 0.086 36)
-
Step 400
400
#E97F61
oklch(70.8% 0.138 36.7)
-
Step 500
500
#DF5932
oklch(63.2% 0.176 36.6)
-
Step 600
600 (this color)
#CE3B00
oklch(56.7% 0.191 36.6)
-
Step 700
700
#AA2F00
oklch(49.1% 0.166 36.6)
-
Step 800
800
#8C2500
oklch(42.6% 0.144 36.6)
-
Step 900
900
#72240C
oklch(37.8% 0.115 36.6)
-
Step 950
950
#43160A
oklch(26.9% 0.073 35.8)
#CE3B00 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) | #695B00 | 0.195 |
| Deuteranopia (no green cones) | #8D7C00 | 0.175 |
| Tritanopia (no blue cones) | #E30033 | 0.069 |
| Achromatopsia (no color) | #707070 | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CE3B00
#CE3B00
oklch(56.7% 0.191 36.6)
- #00859D
#00859D
oklch(56.8% 0.101 216.4)
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 #CE3B00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.031
- Sinopia #BB3E03 ΔE 0.037
- Burnt Orange #C04E01 ΔE 0.038
- Deep Orange #DC4D01 ΔE 0.045
- Rust Orange #C45508 ΔE 0.046
- Rusty Orange #CD5909 ΔE 0.053
- Dull Red #BB3F3F ΔE 0.054
- Burnt Siena #B75203 ΔE 0.055
Use #CE3B00 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.