#E4542E
Closest named color: Deep Orange (#DC4D01). oklch(63.4% 0.186 35.5), rgb(228, 84, 46).
Aa
Black text reads best on this color (5.60:1).
About this color
#E4542E is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.186 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Orange (#DC4D01), ΔE 0.028 away. Black text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Deep Orange (#DC4D01) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #E4542E |
| RGB | rgb(228, 84, 46) |
| HSL | hsl(13, 77%, 54%) |
| OKLCH | oklch(63.4% 0.186 35.5) |
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 #E4542E | 3.74:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #E4542E | 5.60:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #E4542E text on white | 3.74:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #E4542E text on black | 5.60:1 | AA | Lc -37.7 | 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
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F8CEC3
oklch(88.5% 0.05 35.1)
-
Step 300
300
#F5AC98
oklch(80.9% 0.091 35.9)
-
Step 400
400
#ED7C5F
oklch(70.8% 0.146 35.4)
-
Step 500
500 (this color)
#E4542E
oklch(63.4% 0.186 35.5)
-
Step 600
600
#CB3500
oklch(55.6% 0.193 35.4)
-
Step 700
700
#AC2C00
oklch(49.2% 0.17 35.6)
-
Step 800
800
#8E2200
oklch(42.7% 0.148 35.4)
-
Step 900
900
#742008
oklch(37.6% 0.122 35.5)
-
Step 950
950
#441508
oklch(27% 0.076 36.2)
#E4542E 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) | #7D7028 | 0.190 |
| Deuteranopia (no green cones) | #A19028 | 0.173 |
| Tritanopia (no blue cones) | #FB2D4D | 0.075 |
| Achromatopsia (no color) | #848484 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4542E
#E4542E
oklch(63.4% 0.186 35.5)
- #009BB5
#009BB5
oklch(63.5% 0.112 215.2)
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 #E4542E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Orange #DC4D01 ΔE 0.028
- Pale Red #D9544D ΔE 0.036
- Pastel Red #DB5856 ΔE 0.041
- Orangey Red #FA4224 ΔE 0.043
- Orange Pant #FB5607 ΔE 0.047
- Vermillion #F4320C ΔE 0.047
- Blood Orange #FE4B03 ΔE 0.048
- Orangered #FE420F ΔE 0.049
Use #E4542E 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.