#DA000B
Closest named color: Crimson (#DC143C). oklch(55.8% 0.228 28.4), rgb(218, 0, 11).
Aa
White text reads best on this color (5.26:1).
About this color
#DA000B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.228 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.036 away. White text reads best on it, at 5.26:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.228) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #DA000B |
| RGB | rgb(218, 0, 11) |
| HSL | hsl(357, 100%, 43%) |
| OKLCH | oklch(55.8% 0.228 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 #DA000B | 5.26:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #DA000B | 3.98:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #DA000B text on white | 5.26:1 | AA | Lc 73.2 | Content text, not long reading |
| #DA000B text on black | 3.98:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FDCCC4
oklch(88.6% 0.057 29)
-
Step 300
300
#FCA79B
oklch(80.9% 0.103 28.3)
-
Step 400
400
#F67264
oklch(70.7% 0.165 28.1)
-
Step 500
500
#EE4237
oklch(63.2% 0.21 28.4)
-
Step 600
600 (this color)
#DA000B
oklch(55.8% 0.228 28.4)
-
Step 700
700
#B80008
oklch(49.2% 0.201 28.3)
-
Step 800
800
#980005
oklch(42.7% 0.175 28.4)
-
Step 900
900
#7A1410
oklch(37.7% 0.137 28.3)
-
Step 950
950
#480F0B
oklch(27% 0.087 28.4)
#DA000B 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) | #5C5003 | 0.251 |
| Deuteranopia (no green cones) | #8B7B00 | 0.224 |
| Tritanopia (no blue cones) | #F1000E | 0.047 |
| Achromatopsia (no color) | #6C6C6C | 0.230 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DA000B
#DA000B
oklch(55.8% 0.228 28.4)
- #008392
#008392
oklch(55.8% 0.096 208.8)
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 #DA000B, closest first.
No curated palette has a color within ΔE 0.04 of #DA000B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.036
- Cherry #CF0234 ΔE 0.037
- Tomato Red #EC2D01 ΔE 0.053
- Lipstick #D5174E ΔE 0.058
- Red Pantone #EF233C ΔE 0.059
- Scarlet #BE0119 ΔE 0.059
- Lipstick Red #C0022F ΔE 0.060
- Imperial Red #E63946 ΔE 0.062
Use #DA000B 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.