#EF635A
Closest named color: Grapefruit (#FD5956). oklch(67.5% 0.175 26.5), rgb(239, 99, 90).
Aa
Black text reads best on this color (6.60:1).
About this color
#EF635A is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.175 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Grapefruit (#FD5956), ΔE 0.027 away. Black text reads best on it, at 6.60:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Grapefruit (#FD5956) |
| Black text | 6.60:1 |
| White text | 3.18:1 |
Values
| HEX | #EF635A |
| RGB | rgb(239, 99, 90) |
| HSL | hsl(4, 82%, 65%) |
| OKLCH | oklch(67.5% 0.175 26.5) |
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 #EF635A | 3.18:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #EF635A | 6.60:1 | AA | Lc 45.9 | Large or bold text, headings |
| #EF635A text on white | 3.18:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #EF635A text on black | 6.60:1 | AA | Lc -43.5 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DF
oklch(93.6% 0.032 24.8)
-
Step 200
200
#FFCBC4
oklch(88.6% 0.06 27.2)
-
Step 300
300
#FFA59B
oklch(80.9% 0.108 26.6)
-
Step 400
400 (this color)
#EF635A
oklch(67.5% 0.175 26.5)
-
Step 500
500
#F33737
oklch(63.1% 0.223 26.5)
-
Step 600
600
#D8001B
oklch(55.5% 0.226 26.4)
-
Step 700
700
#B70015
oklch(49% 0.2 26.4)
-
Step 800
800
#98000F
oklch(42.8% 0.174 26.5)
-
Step 900
900
#7D0A10
oklch(37.6% 0.146 26.4)
-
Step 950
950
#4A0C0B
oklch(27% 0.092 26.7)
#EF635A 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) | #877E58 | 0.184 |
| Deuteranopia (no green cones) | #AA9C57 | 0.170 |
| Tritanopia (no blue cones) | #FF4762 | 0.054 |
| Achromatopsia (no color) | #909090 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EF635A
#EF635A
oklch(67.5% 0.175 26.5)
- #00AABA
#00AABA
oklch(67.4% 0.116 206.6)
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 #EF635A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grapefruit #FD5956 ΔE 0.027
- Coral Pink #FF6163 ΔE 0.032
- Burnt Sienna #E76F51 ΔE 0.032
- Tomato #FF6347 ΔE 0.035
- Orange Pink #FF6F52 ΔE 0.044
- Light Red #FF474C ΔE 0.046
- Pastel Red #DB5856 ΔE 0.047
- Watermelon #FD4659 ΔE 0.049
Use #EF635A 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.