#F5543B
Closest named color: Orangey Red (#FA4224). oklch(66.2% 0.201 31.5), rgb(245, 84, 59).
Aa
Black text reads best on this color (6.21:1).
About this color
#F5543B is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.201 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.026 away. Black text reads best on it, at 6.21:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.201) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 6.21:1 |
| White text | 3.37:1 |
Values
| HEX | #F5543B |
| RGB | rgb(245, 84, 59) |
| HSL | hsl(8, 90%, 60%) |
| OKLCH | oklch(66.2% 0.201 31.5) |
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 #F5543B | 3.37:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #F5543B | 6.21:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #F5543B text on white | 3.37:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #F5543B text on black | 6.21:1 | AA | Lc -41.6 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DE
oklch(93.5% 0.028 31.1)
-
Step 200
200
#FBCDC3
oklch(88.5% 0.054 32.4)
-
Step 300
300
#F9A999
oklch(80.8% 0.098 31.8)
-
Step 400
400
#F27660
oklch(70.6% 0.157 31.6)
-
Step 500
500 (this color)
#F5543B
oklch(66.2% 0.201 31.5)
-
Step 600
600
#D32000
oklch(55.5% 0.213 31.5)
-
Step 700
700
#B31A00
oklch(49.1% 0.188 31.6)
-
Step 800
800
#941300
oklch(42.7% 0.164 31.5)
-
Step 900
900
#78190B
oklch(37.7% 0.132 31.5)
-
Step 950
950
#471109
oklch(27% 0.084 31.3)
#F5543B 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) | #827537 | 0.210 |
| Deuteranopia (no green cones) | #AA9935 | 0.192 |
| Tritanopia (no blue cones) | #FF244F | 0.067 |
| Achromatopsia (no color) | #8C8C8C | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F5543B
#F5543B
oklch(66.2% 0.201 31.5)
- #00A5BB
#00A5BB
oklch(66.2% 0.115 211.3)
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 #F5543B, closest first.
No curated palette has a color within ΔE 0.04 of #F5543B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.026
- Blood Orange #FE4B03 ΔE 0.029
- Orangered #FE420F ΔE 0.031
- Orange Pant #FB5607 ΔE 0.031
- Grapefruit #FD5956 ΔE 0.031
- Orange Red #FF4500 ΔE 0.032
- Light Red #FF474C ΔE 0.033
- Tomato #FF6347 ΔE 0.035
Use #F5543B 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.