#EF6370
Closest named color: Coral Pink (#FF6163). oklch(67.9% 0.173 17.4), rgb(239, 99, 112).
Aa
Black text reads best on this color (6.68:1).
About this color
#EF6370 is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.173 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Coral Pink (#FF6163), ΔE 0.033 away. Black text reads best on it, at 6.68:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.173) |
| Temperature | warm |
| Nearest name | Coral Pink (#FF6163) |
| Black text | 6.68:1 |
| White text | 3.13:1 |
Values
| HEX | #EF6370 |
| RGB | rgb(239, 99, 112) |
| HSL | hsl(354, 81%, 66%) |
| OKLCH | oklch(67.9% 0.173 17.4) |
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 #EF6370 | 3.13:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #EF6370 | 6.68:1 | AA | Lc 46.3 | Large or bold text, headings |
| #EF6370 text on white | 3.13:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #EF6370 text on black | 6.68:1 | AA | Lc -44.0 | 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 400.
-
Step 50
50
#FFF2F2
oklch(97.1% 0.014 17.4)
-
Step 100
100
#FEE2E2
oklch(93.6% 0.031 17.7)
-
Step 200
200
#FFCACB
oklch(88.6% 0.06 17.1)
-
Step 300
300
#FFA4A7
oklch(81% 0.108 17.6)
-
Step 400
400 (this color)
#EF6370
oklch(67.9% 0.173 17.4)
-
Step 500
500
#F13556
oklch(63.1% 0.221 17.3)
-
Step 600
600
#D60040
oklch(55.6% 0.222 17.4)
-
Step 700
700
#B50035
oklch(49% 0.196 17.2)
-
Step 800
800
#96002A
oklch(42.7% 0.171 17.4)
-
Step 900
900
#7C0924
oklch(37.7% 0.144 17.1)
-
Step 950
950
#490B15
oklch(26.9% 0.091 17.4)
#EF6370 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) | #847F70 | 0.187 |
| Deuteranopia (no green cones) | #A79C6D | 0.173 |
| Tritanopia (no blue cones) | #FF4C68 | 0.041 |
| Achromatopsia (no color) | #919191 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF6370
#EF6370
oklch(67.9% 0.173 17.4)
- #00ADB1
#00ADB1
oklch(67.8% 0.115 197.7)
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 #EF6370, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Coral Pink #FF6163 ΔE 0.033
- Grapefruit #FD5956 ΔE 0.037
- Rosy Pink #F6688E ΔE 0.042
- Warm Pink #FB5581 ΔE 0.043
- Watermelon #FD4659 ΔE 0.048
- Paradise Pink #EF476F ΔE 0.049
- Pastel Red #DB5856 ΔE 0.053
- Burnt Sienna #E76F51 ΔE 0.054
Use #EF6370 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.