#F4535D
Closest named color: Watermelon (#FD4659). oklch(66.4% 0.196 20.8), rgb(244, 83, 93).
Aa
Black text reads best on this color (6.24:1).
About this color
#F4535D is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.196 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Watermelon (#FD4659), ΔE 0.022 away. Black text reads best on it, at 6.24:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.196) |
| Temperature | warm |
| Nearest name | Watermelon (#FD4659) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #F4535D |
| RGB | rgb(244, 83, 93) |
| HSL | hsl(356, 88%, 64%) |
| OKLCH | oklch(66.4% 0.196 20.8) |
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 #F4535D | 3.36:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #F4535D | 6.24:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #F4535D text on white | 3.36:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #F4535D text on black | 6.24:1 | AA | Lc -41.7 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FBCCCA
oklch(88.5% 0.054 21.1)
-
Step 300
300
#F9A8A6
oklch(81% 0.096 21)
-
Step 400
400
#F17576
oklch(70.8% 0.153 21.2)
-
Step 500
500 (this color)
#F4535D
oklch(66.4% 0.196 20.8)
-
Step 600
600
#D31838
oklch(55.5% 0.213 20.8)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800
#940C24
oklch(42.6% 0.164 20.9)
-
Step 900
900
#771922
oklch(37.7% 0.128 21)
-
Step 950
950
#461114
oklch(27% 0.081 21.3)
#F4535D 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) | #7D765C | 0.214 |
| Deuteranopia (no green cones) | #A69959 | 0.197 |
| Tritanopia (no blue cones) | #FF2D58 | 0.046 |
| Achromatopsia (no color) | #8C8C8C | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F4535D
#F4535D
oklch(66.4% 0.196 20.8)
- #00A8B0
#00A8B0
oklch(66.5% 0.113 200.8)
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 #F4535D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Watermelon #FD4659 ΔE 0.022
- Grapefruit #FD5956 ΔE 0.025
- Light Red #FF474C ΔE 0.027
- Coral Pink #FF6163 ΔE 0.035
- Paradise Pink #EF476F ΔE 0.039
- Pastel Red #DB5856 ΔE 0.047
- Red Pink #FA2A55 ΔE 0.049
- Warm Pink #FB5581 ΔE 0.049
Use #F4535D 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.