#F3543D
Closest named color: Orangey Red (#FA4224). oklch(65.9% 0.199 31.1), rgb(243, 84, 61).
Aa
Black text reads best on this color (6.14:1).
About this color
#F3543D is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.199 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.027 away. Black text reads best on it, at 6.14:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.199) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 6.14:1 |
| White text | 3.41:1 |
Values
| HEX | #F3543D |
| RGB | rgb(243, 84, 61) |
| HSL | hsl(8, 88%, 60%) |
| OKLCH | oklch(65.9% 0.199 31.1) |
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 #F3543D | 3.41:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #F3543D | 6.14:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #F3543D text on white | 3.41:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #F3543D text on black | 6.14:1 | AA | Lc -41.1 | 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
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCDC4
oklch(88.6% 0.054 31)
-
Step 300
300
#F9A99A
oklch(80.9% 0.098 31)
-
Step 400
400
#F27762
oklch(70.8% 0.156 31.3)
-
Step 500
500 (this color)
#F3543D
oklch(65.9% 0.199 31.1)
-
Step 600
600
#D41D00
oklch(55.5% 0.216 31.1)
-
Step 700
700
#B41600
oklch(49.1% 0.191 31)
-
Step 800
800
#951100
oklch(42.8% 0.166 31.1)
-
Step 900
900
#771A0E
oklch(37.6% 0.129 30.9)
-
Step 950
950
#46120A
oklch(26.9% 0.081 31.5)
#F3543D 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) | #817539 | 0.208 |
| Deuteranopia (no green cones) | #A99837 | 0.190 |
| Tritanopia (no blue cones) | #FF2650 | 0.066 |
| Achromatopsia (no color) | #8B8B8B | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F3543D
#F3543D
oklch(65.9% 0.199 31.1)
- #00A4B9
#00A4B9
oklch(65.9% 0.114 210.7)
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 #F3543D, closest first.
No curated palette has a color within ΔE 0.04 of #F3543D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.027
- Grapefruit #FD5956 ΔE 0.032
- Blood Orange #FE4B03 ΔE 0.032
- Orangered #FE420F ΔE 0.033
- Orange Pant #FB5607 ΔE 0.034
- Light Red #FF474C ΔE 0.034
- Orange Red #FF4500 ΔE 0.035
- Red Orange #FD3C06 ΔE 0.037
Use #F3543D 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.