#E34E0B
Closest named color: Deep Orange (#DC4D01). oklch(62.3% 0.196 39), rgb(227, 78, 11).
Aa
Black text reads best on this color (5.36:1).
About this color
#E34E0B is a medium-light, vivid red. In OKLCH its lightness is 62%, its chroma 0.196 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.014 away. Black text reads best on it, at 5.36:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #E34E0B |
| RGB | rgb(227, 78, 11) |
| HSL | hsl(19, 91%, 47%) |
| OKLCH | oklch(62.3% 0.196 39) |
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 #E34E0B | 3.91:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #E34E0B | 5.36:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #E34E0B text on white | 3.91:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #E34E0B text on black | 5.36:1 | AA | Lc -36.2 | 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
#FBE4DD
oklch(93.6% 0.027 37.6)
-
Step 200
200
#F9CEC0
oklch(88.5% 0.053 38.8)
-
Step 300
300
#F7AB93
oklch(80.8% 0.096 38.3)
-
Step 400
400
#EF7B54
oklch(70.8% 0.153 39.1)
-
Step 500
500 (this color)
#E34E0B
oklch(62.3% 0.196 39)
-
Step 600
600
#C44000
oklch(55.5% 0.178 39)
-
Step 700
700
#A63500
oklch(49.1% 0.157 39.1)
-
Step 800
800
#892A00
oklch(42.6% 0.137 39)
-
Step 900
900
#732200
oklch(37.6% 0.12 39.1)
-
Step 950
950
#451403
oklch(26.9% 0.08 39.2)
#E34E0B 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) | #7B6B00 | 0.195 |
| Deuteranopia (no green cones) | #9F8D00 | 0.177 |
| Tritanopia (no blue cones) | #FA1B44 | 0.085 |
| Achromatopsia (no color) | #818181 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E34E0B
#E34E0B
oklch(62.3% 0.196 39)
- #0096B5
#0096B5
oklch(62.2% 0.113 219.4)
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 #E34E0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.014
- Tomato Red #EC2D01 ΔE 0.043
- Rusty Orange #CD5909 ΔE 0.043
- Vermillion #F4320C ΔE 0.044
- Orangey Red #FA4224 ΔE 0.047
- Pale Red #D9544D ΔE 0.049
- Red Orange #FD3C06 ΔE 0.050
- Orange Pant #FB5607 ΔE 0.051
Use #E34E0B 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.