#E10029
Closest named color: Crimson (#DC143C). oklch(57.3% 0.232 24.2), rgb(225, 0, 41).
Aa
White text reads best on this color (4.96:1).
About this color
#E10029 is a medium-dark, vivid red. In OKLCH its lightness is 57%, its chroma 0.232 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Crimson (#DC143C), ΔE 0.019 away. White text reads best on it, at 4.96:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.232) |
| Temperature | warm |
| Nearest name | Crimson (#DC143C) |
| Black text | 4.23:1 |
| White text | 4.96:1 |
Values
| HEX | #E10029 |
| RGB | rgb(225, 0, 41) |
| HSL | hsl(349, 100%, 44%) |
| OKLCH | oklch(57.3% 0.232 24.2) |
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 #E10029 | 4.96:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #E10029 | 4.23:1 | AA large text | Lc 32.7 | Non-text elements, placeholder text |
| #E10029 text on white | 4.96:1 | AA | Lc 71.4 | Content text, not long reading |
| #E10029 text on black | 4.23:1 | AA large text | Lc -30.3 | Non-text elements, placeholder text |
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
#FEE3E0
oklch(93.7% 0.03 25.3)
-
Step 200
200
#FECBC7
oklch(88.6% 0.058 23.5)
-
Step 300
300
#FDA69F
oklch(80.9% 0.104 24.7)
-
Step 400
400
#F7706B
oklch(70.7% 0.167 24.4)
-
Step 500
500
#EF3D43
oklch(63% 0.214 24.3)
-
Step 600
600 (this color)
#E10029
oklch(57.3% 0.232 24.2)
-
Step 700
700
#B7001F
oklch(49.1% 0.199 24.3)
-
Step 800
800
#970018
oklch(42.6% 0.173 24.2)
-
Step 900
900
#7B1118
oklch(37.7% 0.139 24.4)
-
Step 950
950
#490E0F
oklch(27.1% 0.089 24.5)
#E10029 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) | #5D5427 | 0.258 |
| Deuteranopia (no green cones) | #8E7F1D | 0.233 |
| Tritanopia (no blue cones) | #F8001A | 0.048 |
| Achromatopsia (no color) | #707070 | 0.234 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E10029
#E10029
oklch(57.3% 0.232 24.2)
- #008993
#008993
oklch(57.4% 0.098 203.8)
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 #E10029, closest first.
No curated palette has a color within ΔE 0.04 of #E10029.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Crimson #DC143C ΔE 0.019
- Cherry #CF0234 ΔE 0.039
- Red Pantone #EF233C ΔE 0.039
- Cherry Red #F7022A ΔE 0.045
- Lipstick #D5174E ΔE 0.046
- Imperial Red #E63946 ΔE 0.046
- Tomato Red #EC2D01 ΔE 0.048
- Pink Red #F5054F ΔE 0.056
Use #E10029 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.