#D42809
Closest named color: Crimson (#DC143C). oklch(56.2% 0.209 31.8), rgb(212, 40, 9).
Aa
White text reads best on this color (5.11:1).
About this color
#D42809 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.209 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.047 away. White text reads best on it, at 5.11:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.209) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #D42809 |
| RGB | rgb(212, 40, 9) |
| HSL | hsl(9, 92%, 43%) |
| OKLCH | oklch(56.2% 0.209 31.8) |
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 #D42809 | 5.11:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #D42809 | 4.10:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #D42809 text on white | 5.11:1 | AA | Lc 73.4 | Content text, not long reading |
| #D42809 text on black | 4.10:1 | AA large text | Lc -28.3 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC4
oklch(88.5% 0.053 31.3)
-
Step 300
300
#F7AA9B
oklch(80.8% 0.094 31.4)
-
Step 400
400
#EF7963
oklch(70.7% 0.15 32)
-
Step 500
500
#E64E35
oklch(63% 0.192 31.9)
-
Step 600
600 (this color)
#D42809
oklch(56.2% 0.209 31.8)
-
Step 700
700
#B21B00
oklch(49% 0.187 31.7)
-
Step 800
800
#931602
oklch(42.7% 0.161 31.7)
-
Step 900
900
#761D0F
oklch(37.7% 0.125 31.8)
-
Step 950
950
#46130B
oklch(27.1% 0.08 31.5)
#D42809 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) | #625600 | 0.224 |
| Deuteranopia (no green cones) | #8B7B00 | 0.200 |
| Tritanopia (no blue cones) | #EA0025 | 0.048 |
| Achromatopsia (no color) | #6E6E6E | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D42809
#D42809
oklch(56.2% 0.209 31.8)
- #008496
#008496
oklch(56.3% 0.098 211.4)
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 #D42809, closest first.
No curated palette has a color within ΔE 0.04 of #D42809.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.047
- Cherry #CF0234 ΔE 0.048
- Tomato Red #EC2D01 ΔE 0.050
- Sinopia #BB3E03 ΔE 0.052
- Brick Orange #C14A09 ΔE 0.055
- Dull Red #BB3F3F ΔE 0.058
- Deep Orange #DC4D01 ΔE 0.059
- Faded Red #D3494E ΔE 0.060
Use #D42809 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.