#DE3607
Closest named color: Tomato Red (#EC2D01). oklch(59.1% 0.21 33.9), rgb(222, 54, 7).
Aa
Black text reads best on this color (4.63:1).
About this color
#DE3607 is a medium-dark, vivid red. In OKLCH its lightness is 59%, its chroma 0.210 and its hue 34°. 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 4.63:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.210) |
| Temperature | warm |
| Nearest name | Tomato Red (#EC2D01) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #DE3607 |
| RGB | rgb(222, 54, 7) |
| HSL | hsl(13, 94%, 45%) |
| OKLCH | oklch(59.1% 0.21 33.9) |
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 #DE3607 | 4.52:1 | AA | Lc -75.3 | Fine for body text |
| Black text on #DE3607 | 4.63:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #DE3607 text on white | 4.52:1 | AA | Lc 69.8 | Content text, not long reading |
| #DE3607 text on black | 4.63:1 | AA | Lc -31.8 | 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
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FACDC3
oklch(88.5% 0.053 32.7)
-
Step 300
300
#F7AB98
oklch(81% 0.094 34.6)
-
Step 400
400
#EF795F
oklch(70.6% 0.151 33.7)
-
Step 500
500
#E64F2E
oklch(63.1% 0.193 33.9)
-
Step 600
600 (this color)
#DE3607
oklch(59.1% 0.21 33.9)
-
Step 700
700
#AE2600
oklch(49% 0.177 33.9)
-
Step 800
800
#901E00
oklch(42.7% 0.153 34)
-
Step 900
900
#761E09
oklch(37.8% 0.126 34.1)
-
Step 950
950
#451308
oklch(26.8% 0.08 34)
#DE3607 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) | #6C5E00 | 0.220 |
| Deuteranopia (no green cones) | #958400 | 0.198 |
| Tritanopia (no blue cones) | #F50030 | 0.059 |
| Achromatopsia (no color) | #767676 | 0.211 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DE3607
#DE3607
oklch(59.1% 0.21 33.9)
- #008DA3
#008DA3
oklch(59.1% 0.104 213.7)
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 #DE3607, 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 0.043
- Imperial Red #E63946 ΔE 0.048
- Red Pantone #EF233C ΔE 0.053
- Faded Red #D3494E ΔE 0.054
- Pale Red #D9544D ΔE 0.056
- Crimson #DC143C ΔE 0.057
Use #DE3607 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.