#CD3A2A
Closest named color: Dull Red (#BB3F3F). oklch(56.7% 0.186 30), rgb(205, 58, 42).
Aa
White text reads best on this color (4.95:1).
About this color
#CD3A2A is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.186 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Dull Red (#BB3F3F), ΔE 0.039 away. White text reads best on it, at 4.95:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Dull Red (#BB3F3F) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #CD3A2A |
| RGB | rgb(205, 58, 42) |
| HSL | hsl(6, 66%, 48%) |
| OKLCH | oklch(56.7% 0.186 30) |
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 #CD3A2A | 4.95:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #CD3A2A | 4.23:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #CD3A2A text on white | 4.95:1 | AA | Lc 73.0 | Content text, not long reading |
| #CD3A2A 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E0
oklch(93.6% 0.025 29.9)
-
Step 200
200
#F7CEC7
oklch(88.5% 0.048 29.4)
-
Step 300
300
#F2ADA1
oklch(81% 0.084 30)
-
Step 400
400
#E87E6D
oklch(70.7% 0.134 30.3)
-
Step 500
500
#DE5846
oklch(63.2% 0.171 30.2)
-
Step 600
600 (this color)
#CD3A2A
oklch(56.7% 0.186 30)
-
Step 700
700
#AE2619
oklch(49.2% 0.174 30)
-
Step 800
800
#8D2317
oklch(42.7% 0.144 30.3)
-
Step 900
900
#71231A
oklch(37.6% 0.112 29.8)
-
Step 950
950
#431610
oklch(27% 0.071 30)
#CD3A2A 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) | #665B27 | 0.197 |
| Deuteranopia (no green cones) | #8A7C23 | 0.181 |
| Tritanopia (no blue cones) | #E20038 | 0.058 |
| Achromatopsia (no color) | #707070 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CD3A2A
#CD3A2A
oklch(56.7% 0.186 30)
- #008696
#008696
oklch(56.8% 0.098 209.4)
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 #CD3A2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Red #BB3F3F ΔE 0.039
- Faded Red #D3494E ΔE 0.042
- Brick Orange #C14A09 ΔE 0.043
- Sinopia #BB3E03 ΔE 0.043
- Dark Coral #CF524E ΔE 0.047
- Crimson #DC143C ΔE 0.050
- Burnt Orange #C04E01 ΔE 0.051
- Dusty Red #B9484E ΔE 0.051
Use #CD3A2A 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.