#DA0B01
Closest named color: Crimson (#DC143C). oklch(56% 0.227 29.6), rgb(218, 11, 1).
Aa
White text reads best on this color (5.21:1).
About this color
#DA0B01 is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.227 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.039 away. White text reads best on it, at 5.21:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.227) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #DA0B01 |
| RGB | rgb(218, 11, 1) |
| HSL | hsl(3, 99%, 43%) |
| OKLCH | oklch(56% 0.227 29.6) |
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 #DA0B01 | 5.21:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #DA0B01 | 4.02:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #DA0B01 text on white | 5.21:1 | AA | Lc 73.2 | Content text, not long reading |
| #DA0B01 text on black | 4.02:1 | 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
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FDCCC4
oklch(88.6% 0.057 29)
-
Step 300
300
#FCA89A
oklch(81% 0.102 29.8)
-
Step 400
400
#F57362
oklch(70.6% 0.163 29.4)
-
Step 500
500
#ED4433
oklch(63.2% 0.208 29.7)
-
Step 600
600 (this color)
#DA0B01
oklch(56% 0.227 29.6)
-
Step 700
700
#B70600
oklch(49.1% 0.199 29.6)
-
Step 800
800
#970400
oklch(42.6% 0.173 29.6)
-
Step 900
900
#7A150D
oklch(37.7% 0.137 29.6)
-
Step 950
950
#48100A
oklch(27.1% 0.086 29.8)
#DA0B01 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) | #5D5100 | 0.248 |
| Deuteranopia (no green cones) | #8C7B00 | 0.218 |
| Tritanopia (no blue cones) | #F10011 | 0.047 |
| Achromatopsia (no color) | #6D6D6D | 0.228 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DA0B01
#DA0B01
oklch(56% 0.227 29.6)
- #008493
#008493
oklch(56.1% 0.097 208.7)
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 #DA0B01, closest first.
No curated palette has a color within ΔE 0.04 of #DA0B01.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.039
- Cherry #CF0234 ΔE 0.042
- Tomato Red #EC2D01 ΔE 0.050
- Red Pantone #EF233C ΔE 0.059
- Scarlet #BE0119 ΔE 0.061
- Imperial Red #E63946 ΔE 0.062
- Lipstick #D5174E ΔE 0.062
- Cherry Red #F7022A ΔE 0.062
Use #DA0B01 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.