#DA0033
Closest named color: Crimson (#DC143C). oklch(56.1% 0.226 21.4), rgb(218, 0, 51).
Aa
White text reads best on this color (5.21:1).
About this color
#DA0033 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.226 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 5.21:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.226) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #DA0033 |
| RGB | rgb(218, 0, 51) |
| HSL | hsl(346, 100%, 43%) |
| OKLCH | oklch(56.1% 0.226 21.4) |
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 #DA0033 | 5.21:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #DA0033 | 4.02:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #DA0033 text on white | 5.21:1 | AA | Lc 73.0 | Content text, not long reading |
| #DA0033 text on black | 4.02:1 | AA large text | Lc -28.7 | 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
#FDCBC9
oklch(88.5% 0.057 21)
-
Step 300
300
#FCA6A4
oklch(80.9% 0.102 21)
-
Step 400
400
#F57173
oklch(70.7% 0.163 21.2)
-
Step 500
500
#ED404E
oklch(63.1% 0.208 21.4)
-
Step 600
600 (this color)
#DA0033
oklch(56.1% 0.226 21.4)
-
Step 700
700
#B60029
oklch(49% 0.197 21.4)
-
Step 800
800
#970020
oklch(42.7% 0.172 21.5)
-
Step 900
900
#7A131F
oklch(37.8% 0.136 21.4)
-
Step 950
950
#480F13
oklch(27.1% 0.086 21.3)
#DA0033 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) | #595232 | 0.252 |
| Deuteranopia (no green cones) | #897B2B | 0.228 |
| Tritanopia (no blue cones) | #F0001F | 0.048 |
| Achromatopsia (no color) | #6D6D6D | 0.227 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DA0033
#DA0033
oklch(56.1% 0.226 21.4)
- #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 #DA0033, closest first.
No curated palette has a color within ΔE 0.04 of #DA0033.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.012
- Cherry #CF0234 ΔE 0.023
- Lipstick #D5174E ΔE 0.032
- Ruby #CA0147 ΔE 0.042
- Red Pantone #EF233C ΔE 0.051
- Imperial Red #E63946 ΔE 0.054
- Lipstick Red #C0022F ΔE 0.054
- Cerise #DE0C62 ΔE 0.059
Use #DA0033 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.