#D90F2A
Closest named color: Crimson (#DC143C). oklch(56.2% 0.222 24.3), rgb(217, 15, 42).
Aa
White text reads best on this color (5.18:1).
About this color
#D90F2A is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.222 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.019 away. White text reads best on it, at 5.18:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.222) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #D90F2A |
| RGB | rgb(217, 15, 42) |
| HSL | hsl(352, 87%, 45%) |
| OKLCH | oklch(56.2% 0.222 24.3) |
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 #D90F2A | 5.18:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #D90F2A | 4.05:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #D90F2A text on white | 5.18:1 | AA | Lc 73.2 | Content text, not long reading |
| #D90F2A text on black | 4.05:1 | AA large text | Lc -28.5 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FCCCC7
oklch(88.6% 0.055 25.2)
-
Step 300
300
#FBA7A1
oklch(80.9% 0.1 24)
-
Step 400
400
#F4736E
oklch(70.7% 0.16 24.2)
-
Step 500
500
#EB4447
oklch(63.1% 0.204 24.3)
-
Step 600
600 (this color)
#D90F2A
oklch(56.2% 0.222 24.3)
-
Step 700
700
#B7001F
oklch(49.1% 0.199 24.3)
-
Step 800
800
#970319
oklch(42.8% 0.171 24.2)
-
Step 900
900
#79161B
oklch(37.8% 0.133 24.1)
-
Step 950
950
#471010
oklch(27% 0.084 24.7)
#D90F2A 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) | #5C5328 | 0.245 |
| Deuteranopia (no green cones) | #8A7B20 | 0.222 |
| Tritanopia (no blue cones) | #EF001F | 0.044 |
| Achromatopsia (no color) | #6D6D6D | 0.224 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D90F2A
#D90F2A
oklch(56.2% 0.222 24.3)
- #00858F
#00858F
oklch(56.2% 0.096 204.1)
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 #D90F2A, closest first.
No curated palette has a color within ΔE 0.04 of #D90F2A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.019
- Cherry #CF0234 ΔE 0.026
- Lipstick #D5174E ΔE 0.041
- Ruby #CA0147 ΔE 0.050
- Red Pantone #EF233C ΔE 0.052
- Imperial Red #E63946 ΔE 0.053
- Lipstick Red #C0022F ΔE 0.055
- Tomato Red #EC2D01 ΔE 0.057
Use #D90F2A 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.