#E45A35
Closest named color: Deep Orange (#DC4D01). oklch(64.2% 0.18 35.8), rgb(228, 90, 53).
Aa
Black text reads best on this color (5.81:1).
About this color
#E45A35 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.180 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.036 away. Black text reads best on it, at 5.81:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.81:1 |
| White text | 3.61:1 |
Values
| HEX | #E45A35 |
| RGB | rgb(228, 90, 53) |
| HSL | hsl(13, 76%, 55%) |
| OKLCH | oklch(64.2% 0.18 35.8) |
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 #E45A35 | 3.61:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #E45A35 | 5.81:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #E45A35 text on white | 3.61:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #E45A35 text on black | 5.81:1 | AA | Lc -38.8 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DE
oklch(93.5% 0.026 35.7)
-
Step 200
200
#F7CFC3
oklch(88.5% 0.048 37.3)
-
Step 300
300
#F3AD9A
oklch(80.9% 0.087 35.8)
-
Step 400
400
#EA7E61
oklch(70.8% 0.14 36)
-
Step 500
500 (this color)
#E45A35
oklch(64.2% 0.18 35.8)
-
Step 600
600
#CA3600
oklch(55.5% 0.191 35.7)
-
Step 700
700
#AB2D00
oklch(49.1% 0.169 35.9)
-
Step 800
800
#8D2300
oklch(42.6% 0.147 35.8)
-
Step 900
900
#73230C
oklch(37.8% 0.117 35.9)
-
Step 950
950
#44160A
oklch(27.1% 0.074 35.6)
#E45A35 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) | #817330 | 0.181 |
| Deuteranopia (no green cones) | #A39230 | 0.166 |
| Tritanopia (no blue cones) | #FA3852 | 0.074 |
| Achromatopsia (no color) | #878787 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E45A35
#E45A35
oklch(64.2% 0.18 35.8)
- #009DB8
#009DB8
oklch(64.1% 0.114 215.7)
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 #E45A35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.036
- Pale Red #D9544D ΔE 0.038
- Pastel Red #DB5856 ΔE 0.040
- Burnt Sienna #E76F51 ΔE 0.044
- Orange Pant #FB5607 ΔE 0.045
- Orangey Red #FA4224 ΔE 0.047
- Terracota #CB6843 ΔE 0.048
- Terracotta #CA6641 ΔE 0.049
Use #E45A35 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.