#EF504B
Closest named color: Light Red (#FF474C). oklch(65% 0.196 26), rgb(239, 80, 75).
Aa
Black text reads best on this color (5.91:1).
About this color
#EF504B is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.196 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Light Red (#FF474C), ΔE 0.030 away. Black text reads best on it, at 5.91:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Light Red (#FF474C) |
| Black text | 5.91:1 |
| White text | 3.54:1 |
Values
| HEX | #EF504B |
| RGB | rgb(239, 80, 75) |
| HSL | hsl(2, 84%, 62%) |
| OKLCH | oklch(65% 0.196 26) |
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 #EF504B | 3.54:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #EF504B | 5.91:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #EF504B text on white | 3.54:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #EF504B text on black | 5.91:1 | AA | Lc -39.7 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FBCCC7
oklch(88.5% 0.054 25.3)
-
Step 300
300
#F9A9A0
oklch(81% 0.096 26.5)
-
Step 400
400
#F1766D
oklch(70.7% 0.153 26)
-
Step 500
500 (this color)
#EF504B
oklch(65% 0.196 26)
-
Step 600
600
#D41C26
oklch(55.7% 0.213 26)
-
Step 700
700
#B70318
oklch(49.2% 0.199 26.1)
-
Step 800
800
#940F17
oklch(42.6% 0.164 25.9)
-
Step 900
900
#771A19
oklch(37.7% 0.128 26.3)
-
Step 950
950
#461210
oklch(27% 0.08 26.2)
#EF504B 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) | #7C7249 | 0.209 |
| Deuteranopia (no green cones) | #A49546 | 0.193 |
| Tritanopia (no blue cones) | #FF2450 | 0.055 |
| Achromatopsia (no color) | #888888 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF504B
#EF504B
oklch(65% 0.196 26)
- #00A2B0
#00A2B0
oklch(65% 0.111 205.6)
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 #EF504B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Red #FF474C ΔE 0.030
- Grapefruit #FD5956 ΔE 0.034
- Watermelon #FD4659 ΔE 0.034
- Orangey Red #FA4224 ΔE 0.035
- Pastel Red #DB5856 ΔE 0.037
- Pale Red #D9544D ΔE 0.041
- Imperial Red #E63946 ΔE 0.042
- Orangered #FE420F ΔE 0.045
Use #EF504B 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.