#D9042B
Closest named color: Crimson (#DC143C). oklch(55.9% 0.225 23.5), rgb(217, 4, 43).
Aa
White text reads best on this color (5.24:1).
About this color
#D9042B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.225 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.018 away. White text reads best on it, at 5.24:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.225) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #D9042B |
| RGB | rgb(217, 4, 43) |
| HSL | hsl(349, 96%, 43%) |
| OKLCH | oklch(55.9% 0.225 23.5) |
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 #D9042B | 5.24:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #D9042B | 4.00:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #D9042B text on white | 5.24:1 | AA | Lc 73.3 | Content text, not long reading |
| #D9042B text on black | 4.00:1 | AA large text | Lc -28.4 | 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
#FCCBC8
oklch(88.4% 0.056 22.4)
-
Step 300
300
#FBA7A1
oklch(80.9% 0.1 24)
-
Step 400
400
#F5726F
oklch(70.7% 0.162 23.4)
-
Step 500
500
#EC4248
oklch(63.1% 0.206 23.6)
-
Step 600
600 (this color)
#D9042B
oklch(55.9% 0.225 23.5)
-
Step 700
700
#B70022
oklch(49.2% 0.199 23.5)
-
Step 800
800
#97001A
oklch(42.7% 0.172 23.6)
-
Step 900
900
#79141B
oklch(37.6% 0.135 23.6)
-
Step 950
950
#480F11
oklch(27.1% 0.086 23.2)
#D9042B 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) | #5A512A | 0.249 |
| Deuteranopia (no green cones) | #897A21 | 0.225 |
| Tritanopia (no blue cones) | #EF001C | 0.046 |
| Achromatopsia (no color) | #6C6C6C | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #D9042B
#D9042B
oklch(55.9% 0.225 23.5)
- #00848D
#00848D
oklch(55.9% 0.095 203.2)
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 #D9042B, closest first.
No curated palette has a color within ΔE 0.04 of #D9042B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.018
- Cherry #CF0234 ΔE 0.023
- Lipstick #D5174E ΔE 0.039
- Ruby #CA0147 ΔE 0.047
- Lipstick Red #C0022F ΔE 0.053
- Red Pantone #EF233C ΔE 0.053
- Imperial Red #E63946 ΔE 0.056
- Scarlet #BE0119 ΔE 0.059
Use #D9042B 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.