#DE3D3F
Closest named color: Imperial Red (#E63946). oklch(60.1% 0.198 24.8), rgb(222, 61, 63).
Aa
Black text reads best on this color (4.84:1).
About this color
#DE3D3F is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.198 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.018 away. Black text reads best on it, at 4.84:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #DE3D3F |
| RGB | rgb(222, 61, 63) |
| HSL | hsl(359, 71%, 55%) |
| OKLCH | oklch(60.1% 0.198 24.8) |
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 #DE3D3F | 4.33:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #DE3D3F | 4.84:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #DE3D3F text on white | 4.33:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #DE3D3F text on black | 4.84:1 | AA | Lc -33.0 | 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 500.
-
Step 50
50
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E1
oklch(93.6% 0.028 23.2)
-
Step 200
200
#FBCCC7
oklch(88.5% 0.054 25.3)
-
Step 300
300
#F9A8A1
oklch(80.9% 0.097 24.9)
-
Step 400
400
#F2756E
oklch(70.7% 0.155 25.1)
-
Step 500
500 (this color)
#DE3D3F
oklch(60.1% 0.198 24.8)
-
Step 600
600
#D41829
oklch(55.5% 0.215 24.9)
-
Step 700
700
#B7001D
oklch(49.1% 0.199 24.8)
-
Step 800
800
#950D1A
oklch(42.8% 0.166 24.8)
-
Step 900
900
#77191B
oklch(37.6% 0.128 25)
-
Step 950
950
#461111
oklch(26.9% 0.081 24.4)
#DE3D3F 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) | #6C633D | 0.214 |
| Deuteranopia (no green cones) | #948639 | 0.196 |
| Tritanopia (no blue cones) | #F40040 | 0.052 |
| Achromatopsia (no color) | #797979 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE3D3F
#DE3D3F
oklch(60.1% 0.198 24.8)
- #00929D
#00929D
oklch(60.2% 0.103 204.2)
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 #DE3D3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.018
- Faded Red #D3494E ΔE 0.026
- Pale Red #D9544D ΔE 0.035
- Red Pantone #EF233C ΔE 0.036
- Dark Coral #CF524E ΔE 0.038
- Tomato Red #EC2D01 ΔE 0.042
- Crimson #DC143C ΔE 0.042
- Pastel Red #DB5856 ΔE 0.044
Use #DE3D3F 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.