#E34500
Closest named color: Deep Orange (#DC4D01). oklch(61.3% 0.204 37.3), rgb(227, 69, 0).
Aa
Black text reads best on this color (5.11:1).
About this color
#E34500 is a medium-dark, vivid red. In OKLCH its lightness is 61%, its chroma 0.204 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.016 away. Black text reads best on it, at 5.11:1.
| Hue family | Reds |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.204) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #E34500 |
| RGB | rgb(227, 69, 0) |
| HSL | hsl(18, 100%, 45%) |
| OKLCH | oklch(61.3% 0.204 37.3) |
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 #E34500 | 4.10:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #E34500 | 5.11:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #E34500 text on white | 4.10:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #E34500 text on black | 5.11:1 | AA | Lc -34.9 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DC
oklch(93.6% 0.029 39.3)
-
Step 200
200
#FBCDC0
oklch(88.5% 0.055 36.3)
-
Step 300
300
#F9AA92
oklch(80.9% 0.1 37.6)
-
Step 400
400
#F27853
oklch(70.7% 0.159 37.6)
-
Step 500
500 (this color)
#E34500
oklch(61.3% 0.204 37.3)
-
Step 600
600
#C73B00
oklch(55.5% 0.185 37.2)
-
Step 700
700
#A93100
oklch(49.2% 0.163 37.3)
-
Step 800
800
#8B2700
oklch(42.7% 0.141 37.5)
-
Step 900
900
#751F00
oklch(37.6% 0.125 37.3)
-
Step 950
950
#471203
oklch(27% 0.085 36.9)
#E34500 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) | #766700 | 0.206 |
| Deuteranopia (no green cones) | #9C8A00 | 0.186 |
| Tritanopia (no blue cones) | #FA003C | 0.079 |
| Achromatopsia (no color) | #7D7D7D | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E34500
#E34500
oklch(61.3% 0.204 37.3)
- #0093AF
#0093AF
oklch(61.2% 0.11 217.6)
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 #E34500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.016
- Tomato Red #EC2D01 ΔE 0.031
- Vermillion #F4320C ΔE 0.037
- Orangey Red #FA4224 ΔE 0.047
- Rusty Orange #CD5909 ΔE 0.049
- Red Orange #FD3C06 ΔE 0.049
- Pale Red #D9544D ΔE 0.051
- Orangered #FE420F ΔE 0.052
Use #E34500 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.