#DC0B23
Closest named color: Crimson (#DC143C). oklch(56.6% 0.226 25.6), rgb(220, 11, 35).
Aa
White text reads best on this color (5.10:1).
About this color
#DC0B23 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.226 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.023 away. White text reads best on it, at 5.10:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.226) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #DC0B23 |
| RGB | rgb(220, 11, 35) |
| HSL | hsl(353, 90%, 45%) |
| OKLCH | oklch(56.6% 0.226 25.6) |
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 #DC0B23 | 5.10:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #DC0B23 | 4.11:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #DC0B23 text on white | 5.10:1 | AA | Lc 72.6 | Content text, not long reading |
| #DC0B23 text on black | 4.11:1 | AA large text | Lc -29.1 | 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
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FDCCC6
oklch(88.6% 0.056 26.4)
-
Step 300
300
#FCA79F
oklch(81% 0.102 25.5)
-
Step 400
400
#F5726A
oklch(70.6% 0.163 25.6)
-
Step 500
500
#ED4241
oklch(63.1% 0.208 25.7)
-
Step 600
600 (this color)
#DC0B23
oklch(56.6% 0.226 25.6)
-
Step 700
700
#B70019
oklch(49.1% 0.199 25.7)
-
Step 800
800
#980013
oklch(42.8% 0.174 25.6)
-
Step 900
900
#7A1417
oklch(37.7% 0.136 25.5)
-
Step 950
950
#480F0E
oklch(27% 0.086 25.9)
#DC0B23 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) | #5D5320 | 0.249 |
| Deuteranopia (no green cones) | #8C7D16 | 0.226 |
| Tritanopia (no blue cones) | #F3001B | 0.046 |
| Achromatopsia (no color) | #6E6E6E | 0.228 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DC0B23
#DC0B23
oklch(56.6% 0.226 25.6)
- #008692
#008692
oklch(56.6% 0.097 205.9)
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 #DC0B23, closest first.
No curated palette has a color within ΔE 0.04 of #DC0B23.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.023
- Cherry #CF0234 ΔE 0.033
- Lipstick #D5174E ΔE 0.047
- Red Pantone #EF233C ΔE 0.048
- Tomato Red #EC2D01 ΔE 0.050
- Imperial Red #E63946 ΔE 0.051
- Cherry Red #F7022A ΔE 0.055
- Ruby #CA0147 ΔE 0.057
Use #DC0B23 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.