#E45540
Closest named color: Pale Red (#D9544D). oklch(63.7% 0.182 31), rgb(228, 85, 64).
Aa
Black text reads best on this color (5.67:1).
About this color
#E45540 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.182 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Pale Red (#D9544D), ΔE 0.026 away. Black text reads best on it, at 5.67:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.67:1 |
| White text | 3.70:1 |
Values
| HEX | #E45540 |
| RGB | rgb(228, 85, 64) |
| HSL | hsl(8, 75%, 57%) |
| OKLCH | oklch(63.7% 0.182 31) |
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 #E45540 | 3.70:1 | AA large text | Lc -69.1 | Content text, not long reading |
| Black text on #E45540 | 5.67:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #E45540 text on white | 3.70:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #E45540 text on black | 5.67:1 | AA | Lc -38.0 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F8CEC6
oklch(88.5% 0.049 30.7)
-
Step 300
300
#F5AB9E
oklch(80.9% 0.09 30.2)
-
Step 400
400
#EC7B68
oklch(70.7% 0.143 30.9)
-
Step 500
500 (this color)
#E45540
oklch(63.7% 0.182 31)
-
Step 600
600
#CD2F1A
oklch(55.5% 0.197 31.1)
-
Step 700
700
#B11E0A
oklch(49% 0.184 31)
-
Step 800
800
#901D0F
oklch(42.7% 0.152 30.8)
-
Step 900
900
#742015
oklch(37.7% 0.119 30.7)
-
Step 950
950
#44150E
oklch(27% 0.074 30.9)
#E45540 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) | #7C713D | 0.190 |
| Deuteranopia (no green cones) | #A0903B | 0.173 |
| Tritanopia (no blue cones) | #FA3151 | 0.066 |
| Achromatopsia (no color) | #858585 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E45540
#E45540
oklch(63.7% 0.182 31)
- #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 #E45540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Red #D9544D ΔE 0.026
- Pastel Red #DB5856 ΔE 0.028
- Deep Orange #DC4D01 ΔE 0.041
- Orangey Red #FA4224 ΔE 0.045
- Dark Coral #CF524E ΔE 0.045
- Imperial Red #E63946 ΔE 0.047
- Faded Red #D3494E ΔE 0.049
- Indian Red #CD5C5C ΔE 0.050
Use #E45540 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.