#DE3816
Closest named color: Tomato Red (#EC2D01). oklch(59.3% 0.207 32.9), rgb(222, 56, 22).
Aa
Black text reads best on this color (4.68:1).
About this color
#DE3816 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.207 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato Red (#EC2D01), ΔE 0.026 away. Black text reads best on it, at 4.68:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.207) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #DE3816 |
| RGB | rgb(222, 56, 22) |
| HSL | hsl(10, 82%, 48%) |
| OKLCH | oklch(59.3% 0.207 32.9) |
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 #DE3816 | 4.48:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #DE3816 | 4.68:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #DE3816 text on white | 4.48:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #DE3816 text on black | 4.68:1 | AA | Lc -32.1 | 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 600.
-
Step 50
50
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F9CEC4
oklch(88.6% 0.051 33.3)
-
Step 300
300
#F7AB9A
oklch(81% 0.093 33.1)
-
Step 400
400
#EE7A62
oklch(70.7% 0.148 33)
-
Step 500
500
#E55033
oklch(63.1% 0.19 33)
-
Step 600
600 (this color)
#DE3816
oklch(59.3% 0.207 32.9)
-
Step 700
700
#B02100
oklch(49% 0.182 32.8)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900
#751E0D
oklch(37.6% 0.124 32.9)
-
Step 950
950
#45140A
oklch(27% 0.078 33.4)
#DE3816 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) | #6C5F0C | 0.219 |
| Deuteranopia (no green cones) | #958403 | 0.197 |
| Tritanopia (no blue cones) | #F50033 | 0.059 |
| Achromatopsia (no color) | #777777 | 0.208 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE3816
#DE3816
oklch(59.3% 0.207 32.9)
- #008EA3
#008EA3
oklch(59.4% 0.104 212.8)
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 #DE3816, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato Red #EC2D01 ΔE 0.026
- Deep Orange #DC4D01 ΔE 0.035
- Vermillion #F4320C ΔE 0.042
- Imperial Red #E63946 ΔE 0.043
- Faded Red #D3494E ΔE 0.049
- Red Pantone #EF233C ΔE 0.050
- Pale Red #D9544D ΔE 0.052
- Dark Coral #CF524E ΔE 0.054
Use #DE3816 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.