#DE1231
Closest named color: Crimson (#DC143C). oklch(57.3% 0.225 23), rgb(222, 18, 49).
Aa
White text reads best on this color (4.95:1).
About this color
#DE1231 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.225 and its hue 23°. 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 4.95:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.225) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.23:1 |
| White text | 4.95:1 |
Values
| HEX | #DE1231 |
| RGB | rgb(222, 18, 49) |
| HSL | hsl(351, 85%, 47%) |
| OKLCH | oklch(57.3% 0.225 23) |
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 #DE1231 | 4.95:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #DE1231 | 4.23:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #DE1231 text on white | 4.95:1 | AA | Lc 71.9 | Content text, not long reading |
| #DE1231 text on black | 4.23:1 | AA large text | Lc -29.8 | 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
#FCCBC8
oklch(88.4% 0.056 22.4)
-
Step 300
300
#FBA7A2
oklch(80.9% 0.1 23.3)
-
Step 400
400
#F57270
oklch(70.8% 0.162 23)
-
Step 500
500
#EC424A
oklch(63.1% 0.206 23)
-
Step 600
600 (this color)
#DE1231
oklch(57.3% 0.225 23)
-
Step 700
700
#B70024
oklch(49.2% 0.198 23)
-
Step 800
800
#97001C
oklch(42.7% 0.172 22.9)
-
Step 900
900
#79141C
oklch(37.6% 0.134 23.1)
-
Step 950
950
#480F11
oklch(27.1% 0.086 23.2)
#DE1231 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) | #5E5530 | 0.248 |
| Deuteranopia (no green cones) | #8D7E28 | 0.225 |
| Tritanopia (no blue cones) | #F50023 | 0.046 |
| Achromatopsia (no color) | #707070 | 0.227 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE1231
#DE1231
oklch(57.3% 0.225 23)
- #008992
#008992
oklch(57.4% 0.098 202.9)
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 #DE1231, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.012
- Cherry #CF0234 ΔE 0.034
- Lipstick #D5174E ΔE 0.038
- Red Pantone #EF233C ΔE 0.040
- Imperial Red #E63946 ΔE 0.043
- Cherry Red #F7022A ΔE 0.050
- Tomato Red #EC2D01 ΔE 0.051
- Ruby #CA0147 ΔE 0.054
Use #DE1231 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.