#DA101B
Closest named color: Crimson (#DC143C). oklch(56.3% 0.224 27.2), rgb(218, 16, 27).
Aa
White text reads best on this color (5.15:1).
About this color
#DA101B is a medium-dark, vivid red. In OKLCH its lightness is 56%, its chroma 0.224 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.029 away. White text reads best on it, at 5.15:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.224) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #DA101B |
| RGB | rgb(218, 16, 27) |
| HSL | hsl(357, 86%, 46%) |
| OKLCH | oklch(56.3% 0.224 27.2) |
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 #DA101B | 5.15:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #DA101B | 4.07:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #DA101B text on white | 5.15:1 | AA | Lc 73.0 | Content text, not long reading |
| #DA101B text on black | 4.07:1 | AA large text | Lc -28.6 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC5
oklch(88.5% 0.056 27.9)
-
Step 300
300
#FBA79D
oklch(80.8% 0.101 27)
-
Step 400
400
#F47367
oklch(70.6% 0.161 27.3)
-
Step 500
500
#EC443D
oklch(63.1% 0.206 27.2)
-
Step 600
600 (this color)
#DA101B
oklch(56.3% 0.224 27.2)
-
Step 700
700
#B70010
oklch(49% 0.2 27.3)
-
Step 800
800
#97030D
oklch(42.7% 0.172 27.2)
-
Step 900
900
#791614
oklch(37.7% 0.134 27.3)
-
Step 950
950
#48100D
oklch(27.1% 0.086 27.4)
#DA101B 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) | #5D5317 | 0.246 |
| Deuteranopia (no green cones) | #8B7C08 | 0.222 |
| Tritanopia (no blue cones) | #F1001A | 0.045 |
| Achromatopsia (no color) | #6D6D6D | 0.226 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DA101B
#DA101B
oklch(56.3% 0.224 27.2)
- #008592
#008592
oklch(56.4% 0.097 206.8)
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 #DA101B, closest first.
No curated palette has a color within ΔE 0.04 of #DA101B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.029
- Cherry #CF0234 ΔE 0.035
- Tomato Red #EC2D01 ΔE 0.050
- Lipstick #D5174E ΔE 0.052
- Red Pantone #EF233C ΔE 0.053
- Imperial Red #E63946 ΔE 0.055
- Cherry Red #F7022A ΔE 0.059
- Ruby #CA0147 ΔE 0.060
Use #DA101B 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.