#E34628
Closest named color: Deep Orange (#DC4D01). oklch(61.6% 0.199 32.9), rgb(227, 70, 40).
Aa
Black text reads best on this color (5.17:1).
About this color
#E34628 is a medium-dark, vivid red. In OKLCH its lightness is 62%, its chroma 0.199 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.027 away. Black text reads best on it, at 5.17:1.
| Hue family | Reds |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #E34628 |
| RGB | rgb(227, 70, 40) |
| HSL | hsl(10, 77%, 52%) |
| OKLCH | oklch(61.6% 0.199 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 #E34628 | 4.05:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #E34628 | 5.17:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #E34628 text on white | 4.05:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #E34628 text on black | 5.17:1 | AA | Lc -35.1 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FBCDC3
oklch(88.5% 0.054 32.4)
-
Step 300
300
#F9AA98
oklch(81% 0.097 33.4)
-
Step 400
400
#F1775F
oklch(70.6% 0.155 32.6)
-
Step 500
500 (this color)
#E34628
oklch(61.6% 0.199 32.9)
-
Step 600
600
#D02900
oklch(55.5% 0.206 32.8)
-
Step 700
700
#B02100
oklch(49% 0.182 32.8)
-
Step 800
800
#921A00
oklch(42.8% 0.158 32.9)
-
Step 900
900
#771B09
oklch(37.6% 0.129 32.8)
-
Step 950
950
#461208
oklch(26.9% 0.082 33)
#E34628 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) | #756822 | 0.207 |
| Deuteranopia (no green cones) | #9B8B20 | 0.189 |
| Tritanopia (no blue cones) | #FA0041 | 0.072 |
| Achromatopsia (no color) | #7E7E7E | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E34628
#E34628
oklch(61.6% 0.199 32.9)
- #0095AB
#0095AB
oklch(61.5% 0.108 212.9)
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 #E34628, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.027
- Tomato Red #EC2D01 ΔE 0.030
- Vermillion #F4320C ΔE 0.035
- Pale Red #D9544D ΔE 0.037
- Imperial Red #E63946 ΔE 0.039
- Orangey Red #FA4224 ΔE 0.043
- Pastel Red #DB5856 ΔE 0.046
- Faded Red #D3494E ΔE 0.047
Use #E34628 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.