#CE300A
Closest named color: Sinopia (#BB3E03). oklch(55.7% 0.199 33.3), rgb(206, 48, 10).
Aa
White text reads best on this color (5.18:1).
About this color
#CE300A is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.199 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Sinopia (#BB3E03), ΔE 0.039 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Sinopia (#BB3E03) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #CE300A |
| RGB | rgb(206, 48, 10) |
| HSL | hsl(12, 91%, 42%) |
| OKLCH | oklch(55.7% 0.199 33.3) |
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 #CE300A | 5.18:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #CE300A | 4.05:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #CE300A text on white | 5.18:1 | AA | Lc 74.1 | Content text, not long reading |
| #CE300A text on black | 4.05:1 | AA large text | Lc -27.6 | 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
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC4
oklch(88.5% 0.05 33.6)
-
Step 300
300
#F5AC9B
oklch(81% 0.09 33.6)
-
Step 400
400
#EC7C64
oklch(70.8% 0.143 33.3)
-
Step 500
500
#E25437
oklch(63.1% 0.183 33.4)
-
Step 600
600 (this color)
#CE300A
oklch(55.7% 0.199 33.3)
-
Step 700
700
#B02300
oklch(49.2% 0.18 33.2)
-
Step 800
800
#901E04
oklch(42.7% 0.153 33.2)
-
Step 900
900
#742110
oklch(37.8% 0.119 33.3)
-
Step 950
950
#44150B
oklch(27% 0.075 33.7)
#CE300A 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) | #635700 | 0.210 |
| Deuteranopia (no green cones) | #897900 | 0.188 |
| Tritanopia (no blue cones) | #E4002B | 0.055 |
| Achromatopsia (no color) | #6D6D6D | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CE300A
#CE300A
oklch(55.7% 0.199 33.3)
- #008296
#008296
oklch(55.7% 0.098 213.4)
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 #CE300A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sinopia #BB3E03 ΔE 0.039
- Brick Orange #C14A09 ΔE 0.044
- Dull Red #BB3F3F ΔE 0.050
- Burnt Orange #C04E01 ΔE 0.052
- Cherry #CF0234 ΔE 0.053
- Crimson #DC143C ΔE 0.055
- Deep Orange #DC4D01 ΔE 0.058
- Scarlet #BE0119 ΔE 0.059
Use #CE300A 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.