#F03549
Closest named color: Red Pantone (#EF233C). oklch(62.7% 0.22 21.3), rgb(240, 53, 73).
Aa
Black text reads best on this color (5.31:1).
About this color
#F03549 is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.220 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Red Pantone (#EF233C), ΔE 0.019 away. Black text reads best on it, at 5.31:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.220) |
| Temperature | warm |
| Nearest name | Red Pantone (#EF233C) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #F03549 |
| RGB | rgb(240, 53, 73) |
| HSL | hsl(354, 86%, 57%) |
| OKLCH | oklch(62.7% 0.22 21.3) |
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 #F03549 | 3.95:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #F03549 | 5.31:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #F03549 text on white | 3.95:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #F03549 text on black | 5.31:1 | AA | Lc -36.4 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FEE2E1
oklch(93.5% 0.031 20.2)
-
Step 200
200
#FFCAC8
oklch(88.5% 0.061 20.9)
-
Step 300
300
#FFA4A2
oklch(80.9% 0.108 21.1)
-
Step 400
400
#F96D70
oklch(70.6% 0.172 21.3)
-
Step 500
500 (this color)
#F03549
oklch(62.7% 0.22 21.3)
-
Step 600
600
#D70033
oklch(55.6% 0.224 21.2)
-
Step 700
700
#B6002A
oklch(49.1% 0.197 21.1)
-
Step 800
800
#970021
oklch(42.7% 0.172 21.2)
-
Step 900
900
#7C0B1D
oklch(37.6% 0.143 21.1)
-
Step 950
950
#490C11
oklch(26.9% 0.09 21.7)
#F03549 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) | #6E6748 | 0.242 |
| Deuteranopia (no green cones) | #9D8E43 | 0.220 |
| Tritanopia (no blue cones) | #FF003F | 0.034 |
| Achromatopsia (no color) | #808080 | 0.222 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F03549
#F03549
oklch(62.7% 0.22 21.3)
- #009BA3
#009BA3
oklch(62.7% 0.107 201.3)
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 #F03549, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Pantone #EF233C ΔE 0.019
- Imperial Red #E63946 ΔE 0.019
- Strawberry #FB2943 ΔE 0.021
- Pinky Red #FC2647 ΔE 0.023
- Red Pink #FA2A55 ΔE 0.026
- Neon Red #FF073A ΔE 0.034
- Pink Red #F5054F ΔE 0.034
- Cherry Red #F7022A ΔE 0.034
Use #F03549 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.