#E34B2B
Closest named color: Deep Orange (#DC4D01). oklch(62.1% 0.194 33.5), rgb(227, 75, 43).
Aa
Black text reads best on this color (5.30:1).
About this color
#E34B2B is a medium-light, vivid red. In OKLCH its lightness is 62%, its chroma 0.194 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.025 away. Black text reads best on it, at 5.30:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.194) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #E34B2B |
| RGB | rgb(227, 75, 43) |
| HSL | hsl(10, 77%, 53%) |
| OKLCH | oklch(62.1% 0.194 33.5) |
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 #E34B2B | 3.95:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #E34B2B | 5.30:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #E34B2B text on white | 3.95:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #E34B2B text on black | 5.30:1 | AA | Lc -35.9 | 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
#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
#F7AA99
oklch(80.8% 0.095 32.9)
-
Step 400
400
#F0795F
oklch(70.8% 0.152 33.6)
-
Step 500
500 (this color)
#E34B2B
oklch(62.1% 0.194 33.5)
-
Step 600
600
#CF2D00
oklch(55.6% 0.202 33.6)
-
Step 700
700
#AF2400
oklch(49.1% 0.179 33.5)
-
Step 800
800
#911C00
oklch(42.7% 0.156 33.4)
-
Step 900
900
#761D09
oklch(37.7% 0.126 33.7)
-
Step 950
950
#461309
oklch(27.1% 0.081 33.1)
#E34B2B 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) | #776B26 | 0.202 |
| Deuteranopia (no green cones) | #9D8C24 | 0.182 |
| Tritanopia (no blue cones) | #FA1745 | 0.072 |
| Achromatopsia (no color) | #808080 | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E34B2B
#E34B2B
oklch(62.1% 0.194 33.5)
- #0097AE
#0097AE
oklch(62.2% 0.109 213.4)
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 #E34B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.025
- Pale Red #D9544D ΔE 0.034
- Tomato Red #EC2D01 ΔE 0.037
- Vermillion #F4320C ΔE 0.038
- Pastel Red #DB5856 ΔE 0.042
- Orangey Red #FA4224 ΔE 0.042
- Imperial Red #E63946 ΔE 0.043
- Dark Coral #CF524E ΔE 0.047
Use #E34B2B 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.