#FF537A
Closest named color: Warm Pink (#FB5581). oklch(68.7% 0.208 11.1), rgb(255, 83, 122).
Aa
Black text reads best on this color (6.77:1).
About this color
#FF537A is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.208 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Warm Pink (#FB5581), ΔE 0.012 away. Black text reads best on it, at 6.77:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.208) |
| Temperature | warm |
| Nearest name | Warm Pink (#FB5581) |
| Black text | 6.77:1 |
| White text | 3.10:1 |
Values
| HEX | #FF537A |
| RGB | rgb(255, 83, 122) |
| HSL | hsl(346, 100%, 66%) |
| OKLCH | oklch(68.7% 0.208 11.1) |
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 #FF537A | 3.10:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #FF537A | 6.77:1 | AA | Lc 47.2 | Large or bold text, headings |
| #FF537A text on white | 3.10:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #FF537A text on black | 6.77:1 | AA | Lc -44.9 | 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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FFE1E4
oklch(93.5% 0.033 10.9)
-
Step 200
200
#FFC9CF
oklch(88.5% 0.062 10.9)
-
Step 300
300
#FFA2AF
oklch(80.9% 0.111 10.8)
-
Step 400
400 (this color)
#FF537A
oklch(68.7% 0.208 11.1)
-
Step 500
500
#FB0062
oklch(63.1% 0.252 11.2)
-
Step 600
600
#D40052
oklch(55.5% 0.222 11)
-
Step 700
700
#B40044
oklch(49.1% 0.196 11.2)
-
Step 800
800
#950037
oklch(42.8% 0.171 11.1)
-
Step 900
900
#7D002D
oklch(37.6% 0.15 11.1)
-
Step 950
950
#4E0019
oklch(27.1% 0.108 11.1)
#FF537A 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) | #7D7C7B | 0.230 |
| Deuteranopia (no green cones) | #A99F76 | 0.211 |
| Tritanopia (no blue cones) | #FF3163 | 0.045 |
| Achromatopsia (no color) | #929292 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF537A
#FF537A
oklch(68.7% 0.208 11.1)
- #00B1AC
#00B1AC
oklch(68.7% 0.118 191.2)
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 #FF537A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Pink #FB5581 ΔE 0.012
- Rosy Pink #F6688E ΔE 0.039
- Paradise Pink #EF476F ΔE 0.040
- Watermelon #FD4659 ΔE 0.041
- Medium Pink #F36196 ΔE 0.043
- Coral Pink #FF6163 ΔE 0.045
- Grapefruit #FD5956 ΔE 0.050
- Light Red #FF474C ΔE 0.054
Use #FF537A 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.