#E34F02
Closest named color: Deep Orange (#DC4D01). oklch(62.4% 0.196 39.9), rgb(227, 79, 2).
Aa
Black text reads best on this color (5.38:1).
About this color
#E34F02 is a medium-light, vivid red. In OKLCH its lightness is 62%, its chroma 0.196 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.015 away. Black text reads best on it, at 5.38:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.38:1 |
| White text | 3.89:1 |
Values
| HEX | #E34F02 |
| RGB | rgb(227, 79, 2) |
| HSL | hsl(21, 98%, 45%) |
| OKLCH | oklch(62.4% 0.196 39.9) |
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 #E34F02 | 3.89:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #E34F02 | 5.38:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #E34F02 text on white | 3.89:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #E34F02 text on black | 5.38:1 | AA | Lc -36.4 | 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
#FBE4DC
oklch(93.5% 0.028 40.2)
-
Step 200
200
#F9CEBF
oklch(88.4% 0.053 40.1)
-
Step 300
300
#F7AC92
oklch(81% 0.096 39.9)
-
Step 400
400
#EF7B52
oklch(70.8% 0.154 39.8)
-
Step 500
500 (this color)
#E34F02
oklch(62.4% 0.196 39.9)
-
Step 600
600
#C34200
oklch(55.6% 0.175 39.8)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#732300
oklch(37.7% 0.119 39.6)
-
Step 950
950
#451402
oklch(26.9% 0.081 40)
#E34F02 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) | #7B6C00 | 0.194 |
| Deuteranopia (no green cones) | #A08D00 | 0.174 |
| Tritanopia (no blue cones) | #FA1E44 | 0.086 |
| Achromatopsia (no color) | #818181 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E34F02
#E34F02
oklch(62.4% 0.196 39.9)
- #0096B6
#0096B6
oklch(62.3% 0.113 220.1)
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 #E34F02, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.015
- Rusty Orange #CD5909 ΔE 0.042
- Tomato Red #EC2D01 ΔE 0.045
- Vermillion #F4320C ΔE 0.046
- Orangey Red #FA4224 ΔE 0.049
- Orange Pant #FB5607 ΔE 0.050
- Blood Orange #FE4B03 ΔE 0.051
- Pale Red #D9544D ΔE 0.051
Use #E34F02 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.