#CD3B18
Closest named color: Brick Orange (#C14A09). oklch(56.6% 0.188 34.1), rgb(205, 59, 24).
Aa
White text reads best on this color (4.95:1).
About this color
#CD3B18 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.188 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.034 away. White text reads best on it, at 4.95:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #CD3B18 |
| RGB | rgb(205, 59, 24) |
| HSL | hsl(12, 79%, 45%) |
| OKLCH | oklch(56.6% 0.188 34.1) |
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 #CD3B18 | 4.95:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #CD3B18 | 4.23:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #CD3B18 text on white | 4.95:1 | AA | Lc 73.0 | Content text, not long reading |
| #CD3B18 text on black | 4.23:1 | AA large text | Lc -28.7 | 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
#FAE4DF
oklch(93.5% 0.025 32.9)
-
Step 200
200
#F6CFC5
oklch(88.5% 0.046 34.7)
-
Step 300
300
#F2AD9D
oklch(80.9% 0.085 33.5)
-
Step 400
400
#E87F66
oklch(70.8% 0.135 34.4)
-
Step 500
500
#DE593B
oklch(63.2% 0.173 34.2)
-
Step 600
600 (this color)
#CD3B18
oklch(56.6% 0.188 34.1)
-
Step 700
700
#AE2702
oklch(49.1% 0.176 33.9)
-
Step 800
800
#8D2409
oklch(42.7% 0.145 34.3)
-
Step 900
900
#712413
oklch(37.7% 0.112 34)
-
Step 950
950
#43160C
oklch(27% 0.072 34.1)
#CD3B18 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) | #685B10 | 0.195 |
| Deuteranopia (no green cones) | #8B7C0C | 0.179 |
| Tritanopia (no blue cones) | #E20035 | 0.064 |
| Achromatopsia (no color) | #707070 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD3B18
#CD3B18
oklch(56.6% 0.188 34.1)
- #00859A
#00859A
oklch(56.7% 0.1 213.9)
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 #CD3B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.034
- Sinopia #BB3E03 ΔE 0.037
- Burnt Orange #C04E01 ΔE 0.041
- Dull Red #BB3F3F ΔE 0.047
- Deep Orange #DC4D01 ΔE 0.048
- Rust Orange #C45508 ΔE 0.049
- Faded Red #D3494E ΔE 0.051
- Dark Coral #CF524E ΔE 0.054
Use #CD3B18 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.