#DE3F36
Closest named color: Imperial Red (#E63946). oklch(60.2% 0.197 27.9), rgb(222, 63, 54).
Aa
Black text reads best on this color (4.87:1).
About this color
#DE3F36 is a medium-dark, vivid red. In OKLCH its lightness is 60%, its chroma 0.197 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.025 away. Black text reads best on it, at 4.87:1.
| Hue family | Reds |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.197) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 4.87:1 |
| White text | 4.31:1 |
Values
| HEX | #DE3F36 |
| RGB | rgb(222, 63, 54) |
| HSL | hsl(3, 72%, 54%) |
| OKLCH | oklch(60.2% 0.197 27.9) |
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 #DE3F36 | 4.31:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #DE3F36 | 4.87:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #DE3F36 text on white | 4.31:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #DE3F36 text on black | 4.87:1 | AA | Lc -33.1 | 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
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FBCCC6
oklch(88.4% 0.054 26.7)
-
Step 300
300
#F9A99E
oklch(81% 0.097 28)
-
Step 400
400
#F17669
oklch(70.6% 0.154 27.8)
-
Step 500
500 (this color)
#DE3F36
oklch(60.2% 0.197 27.9)
-
Step 600
600
#D41C1C
oklch(55.6% 0.214 27.9)
-
Step 700
700
#B7030D
oklch(49.1% 0.199 27.9)
-
Step 800
800
#950F10
oklch(42.8% 0.166 27.8)
-
Step 900
900
#771A15
oklch(37.7% 0.128 28.2)
-
Step 950
950
#46120E
oklch(27% 0.081 28.1)
#DE3F36 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) | #6E6433 | 0.211 |
| Deuteranopia (no green cones) | #958630 | 0.193 |
| Tritanopia (no blue cones) | #F4003F | 0.057 |
| Achromatopsia (no color) | #7A7A7A | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE3F36
#DE3F36
oklch(60.2% 0.197 27.9)
- #0091A1
#0091A1
oklch(60.1% 0.103 208.4)
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 #DE3F36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.025
- Faded Red #D3494E ΔE 0.031
- Pale Red #D9544D ΔE 0.034
- Tomato Red #EC2D01 ΔE 0.035
- Dark Coral #CF524E ΔE 0.039
- Red Pantone #EF233C ΔE 0.041
- Deep Orange #DC4D01 ΔE 0.043
- Pastel Red #DB5856 ΔE 0.044
Use #DE3F36 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.