#DD1918
Closest named color: Crimson (#DC143C). oklch(57.1% 0.223 28.4), rgb(221, 25, 24).
Aa
White text reads best on this color (4.96:1).
About this color
#DD1918 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.223 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.032 away. White text reads best on it, at 4.96:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.223) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.22:1 |
| White text | 4.96:1 |
Values
| HEX | #DD1918 |
| RGB | rgb(221, 25, 24) |
| HSL | hsl(0, 80%, 48%) |
| OKLCH | oklch(57.1% 0.223 28.4) |
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 #DD1918 | 4.96:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #DD1918 | 4.22:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #DD1918 text on white | 4.96:1 | AA | Lc 72.1 | Content text, not long reading |
| #DD1918 text on black | 4.22:1 | AA large text | Lc -29.6 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC5
oklch(88.5% 0.056 27.9)
-
Step 300
300
#FBA89C
oklch(81% 0.1 28.5)
-
Step 400
400
#F47465
oklch(70.7% 0.16 28.6)
-
Step 500
500
#EC4539
oklch(63.1% 0.206 28.5)
-
Step 600
600 (this color)
#DD1918
oklch(57.1% 0.223 28.4)
-
Step 700
700
#B80008
oklch(49.2% 0.201 28.3)
-
Step 800
800
#970508
oklch(42.7% 0.172 28.3)
-
Step 900
900
#791612
oklch(37.6% 0.134 28.1)
-
Step 950
950
#47100C
oklch(26.9% 0.084 28.3)
#DD1918 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) | #615513 | 0.243 |
| Deuteranopia (no green cones) | #8E7E02 | 0.220 |
| Tritanopia (no blue cones) | #F4001E | 0.045 |
| Achromatopsia (no color) | #707070 | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DD1918
#DD1918
oklch(57.1% 0.223 28.4)
- #008796
#008796
oklch(57% 0.098 208.5)
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 #DD1918, closest first.
No curated palette has a color within ΔE 0.04 of #DD1918.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.032
- Tomato Red #EC2D01 ΔE 0.041
- Cherry #CF0234 ΔE 0.044
- Red Pantone #EF233C ΔE 0.047
- Imperial Red #E63946 ΔE 0.049
- Cherry Red #F7022A ΔE 0.053
- Lipstick #D5174E ΔE 0.057
- Vermillion #F4320C ΔE 0.058
Use #DD1918 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.