#E7503A
Closest named color: Pale Red (#D9544D). oklch(63.5% 0.191 31.1), rgb(231, 80, 58).
Aa
Black text reads best on this color (5.60:1).
About this color
#E7503A is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.191 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Pale Red (#D9544D), ΔE 0.031 away. Black text reads best on it, at 5.60:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Pale Red (#D9544D) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #E7503A |
| RGB | rgb(231, 80, 58) |
| HSL | hsl(8, 78%, 57%) |
| OKLCH | oklch(63.5% 0.191 31.1) |
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 #E7503A | 3.74:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #E7503A | 5.60:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #E7503A text on white | 3.74:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #E7503A 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#FACDC5
oklch(88.5% 0.052 29.9)
-
Step 300
300
#F7AA9C
oklch(80.9% 0.094 30.6)
-
Step 400
400
#EF7965
oklch(70.7% 0.149 31.1)
-
Step 500
500 (this color)
#E7503A
oklch(63.5% 0.191 31.1)
-
Step 600
600
#D1260F
oklch(55.6% 0.208 31)
-
Step 700
700
#B41700
oklch(49.2% 0.191 31.1)
-
Step 800
800
#931706
oklch(42.8% 0.16 31.1)
-
Step 900
900
#761D11
oklch(37.7% 0.125 31)
-
Step 950
950
#45130C
oklch(26.9% 0.079 30.8)
#E7503A 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) | #7B6F37 | 0.199 |
| Deuteranopia (no green cones) | #A09035 | 0.182 |
| Tritanopia (no blue cones) | #FE254C | 0.067 |
| Achromatopsia (no color) | #848484 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E7503A
#E7503A
oklch(63.5% 0.191 31.1)
- #009CB0
#009CB0
oklch(63.5% 0.11 210.7)
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 #E7503A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Red #D9544D ΔE 0.031
- Pastel Red #DB5856 ΔE 0.034
- Orangey Red #FA4224 ΔE 0.037
- Deep Orange #DC4D01 ΔE 0.039
- Vermillion #F4320C ΔE 0.042
- Imperial Red #E63946 ΔE 0.042
- Orangered #FE420F ΔE 0.046
- Tomato Red #EC2D01 ΔE 0.046
Use #E7503A 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.