#E4543C
Closest named color: Pale Red (#D9544D). oklch(63.5% 0.184 31.9), rgb(228, 84, 60).
Aa
Black text reads best on this color (5.63:1).
About this color
#E4543C is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.184 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Pale Red (#D9544D), ΔE 0.027 away. Black text reads best on it, at 5.63:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.184) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #E4543C |
| RGB | rgb(228, 84, 60) |
| HSL | hsl(9, 76%, 56%) |
| OKLCH | oklch(63.5% 0.184 31.9) |
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 #E4543C | 3.72:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #E4543C | 5.63:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #E4543C text on white | 3.72:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #E4543C text on black | 5.63:1 | AA | Lc -37.8 | 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
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC5
oklch(88.5% 0.049 32.1)
-
Step 300
300
#F5AB9C
oklch(80.8% 0.09 31.8)
-
Step 400
400
#EC7B66
oklch(70.7% 0.144 31.8)
-
Step 500
500 (this color)
#E4543C
oklch(63.5% 0.184 31.9)
-
Step 600
600
#CE2E13
oklch(55.6% 0.199 31.9)
-
Step 700
700
#B21D02
oklch(49.1% 0.186 31.8)
-
Step 800
800
#901D09
oklch(42.7% 0.153 32)
-
Step 900
900
#742013
oklch(37.7% 0.12 31.6)
-
Step 950
950
#44140C
oklch(26.9% 0.076 31.8)
#E4543C 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) | #7C7039 | 0.190 |
| Deuteranopia (no green cones) | #A09037 | 0.174 |
| Tritanopia (no blue cones) | #FA2F4F | 0.067 |
| Achromatopsia (no color) | #848484 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4543C
#E4543C
oklch(63.5% 0.184 31.9)
- #009CB1
#009CB1
oklch(63.5% 0.11 211.4)
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 #E4543C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Red #D9544D ΔE 0.027
- Pastel Red #DB5856 ΔE 0.031
- Deep Orange #DC4D01 ΔE 0.037
- Orangey Red #FA4224 ΔE 0.043
- Dark Coral #CF524E ΔE 0.046
- Imperial Red #E63946 ΔE 0.047
- Vermillion #F4320C ΔE 0.049
- Faded Red #D3494E ΔE 0.049
Use #E4543C 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.