#CD3D18
Closest named color: Brick Orange (#C14A09). oklch(56.8% 0.187 34.6), rgb(205, 61, 24).
Aa
White text reads best on this color (4.91:1).
About this color
#CD3D18 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.187 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.032 away. White text reads best on it, at 4.91:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #CD3D18 |
| RGB | rgb(205, 61, 24) |
| HSL | hsl(12, 79%, 45%) |
| OKLCH | oklch(56.8% 0.187 34.6) |
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 #CD3D18 | 4.91:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #CD3D18 | 4.27:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #CD3D18 text on white | 4.91:1 | AA | Lc 72.7 | Content text, not long reading |
| #CD3D18 text on black | 4.27:1 | 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
#FAE5DF
oklch(93.7% 0.025 36.5)
-
Step 200
200
#F6CFC5
oklch(88.5% 0.046 34.7)
-
Step 300
300
#F1AE9C
oklch(80.9% 0.083 35.6)
-
Step 400
400
#E77F66
oklch(70.6% 0.134 34.5)
-
Step 500
500
#DD593A
oklch(63% 0.172 34.6)
-
Step 600
600 (this color)
#CD3D18
oklch(56.8% 0.187 34.6)
-
Step 700
700
#AD2900
oklch(49.1% 0.173 34.7)
-
Step 800
800
#8C2509
oklch(42.7% 0.143 34.8)
-
Step 900
900
#712512
oklch(37.8% 0.112 35)
-
Step 950
950
#43170C
oklch(27.1% 0.071 35.2)
#CD3D18 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) | #695C10 | 0.193 |
| Deuteranopia (no green cones) | #8C7C0C | 0.175 |
| Tritanopia (no blue cones) | #E20037 | 0.068 |
| Achromatopsia (no color) | #717171 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD3D18
#CD3D18
oklch(56.8% 0.187 34.6)
- #00859B
#00859B
oklch(56.7% 0.1 214.7)
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 #CD3D18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.032
- Sinopia #BB3E03 ΔE 0.037
- Burnt Orange #C04E01 ΔE 0.039
- Deep Orange #DC4D01 ΔE 0.046
- Rust Orange #C45508 ΔE 0.047
- Dull Red #BB3F3F ΔE 0.048
- Faded Red #D3494E ΔE 0.051
- Dark Coral #CF524E ΔE 0.052
Use #CD3D18 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.