#D90434
Closest named color: Crimson (#DC143C). oklch(56% 0.224 21.3), rgb(217, 4, 52).
Aa
White text reads best on this color (5.22:1).
About this color
#D90434 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.224 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.012 away. White text reads best on it, at 5.22:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.224) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #D90434 |
| RGB | rgb(217, 4, 52) |
| HSL | hsl(346, 96%, 43%) |
| OKLCH | oklch(56% 0.224 21.3) |
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 #D90434 | 5.22:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #D90434 | 4.01:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #D90434 text on white | 5.22:1 | AA | Lc 73.2 | Content text, not long reading |
| #D90434 text on black | 4.01:1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E1
oklch(93.6% 0.029 23)
-
Step 200
200
#FCCBC9
oklch(88.4% 0.056 21)
-
Step 300
300
#FBA6A4
oklch(80.8% 0.101 21)
-
Step 400
400
#F57273
oklch(70.8% 0.161 21.6)
-
Step 500
500
#EC414F
oklch(63.1% 0.207 21.2)
-
Step 600
600 (this color)
#D90434
oklch(56% 0.224 21.3)
-
Step 700
700
#B6002A
oklch(49.1% 0.197 21.1)
-
Step 800
800
#970021
oklch(42.7% 0.172 21.2)
-
Step 900
900
#79141F
oklch(37.7% 0.134 21.5)
-
Step 950
950
#480F13
oklch(27.1% 0.086 21.3)
#D90434 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) | #595233 | 0.250 |
| Deuteranopia (no green cones) | #887B2C | 0.227 |
| Tritanopia (no blue cones) | #EF0020 | 0.048 |
| Achromatopsia (no color) | #6C6C6C | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D90434
#D90434
oklch(56% 0.224 21.3)
- #00858C
#00858C
oklch(56.1% 0.095 201.3)
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 #D90434, closest first.
No curated palette has a color within ΔE 0.04 of #D90434.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.012
- Cherry #CF0234 ΔE 0.021
- Lipstick #D5174E ΔE 0.030
- Ruby #CA0147 ΔE 0.041
- Red Pantone #EF233C ΔE 0.053
- Lipstick Red #C0022F ΔE 0.053
- Imperial Red #E63946 ΔE 0.054
- Cerise #DE0C62 ΔE 0.059
Use #D90434 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.