#F3553A
Closest named color: Orangey Red (#FA4224). oklch(66% 0.198 32.1), rgb(243, 85, 58).
Aa
Black text reads best on this color (6.17:1).
About this color
#F3553A is a medium-light, vivid red. In OKLCH its lightness is 66%, its chroma 0.198 and its hue 32°. 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 6.17:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.198) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 6.17:1 |
| White text | 3.40:1 |
Values
| HEX | #F3553A |
| RGB | rgb(243, 85, 58) |
| HSL | hsl(9, 89%, 59%) |
| OKLCH | oklch(66% 0.198 32.1) |
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 #F3553A | 3.40:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #F3553A | 6.17:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #F3553A text on white | 3.40:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #F3553A text on black | 6.17:1 | AA | Lc -41.3 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
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
#F17760
oklch(70.6% 0.155 32.2)
-
Step 500
500 (this color)
#F3553A
oklch(66% 0.198 32.1)
-
Step 600
600
#D22500
oklch(55.6% 0.21 32.2)
-
Step 700
700
#B21D00
oklch(49.1% 0.186 32)
-
Step 800
800
#931600
oklch(42.7% 0.162 32)
-
Step 900
900
#771B0B
oklch(37.7% 0.129 32.2)
-
Step 950
950
#461209
oklch(26.9% 0.082 32.2)
#F3553A 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) | #827536 | 0.206 |
| Deuteranopia (no green cones) | #A99834 | 0.189 |
| Tritanopia (no blue cones) | #FF2750 | 0.068 |
| Achromatopsia (no color) | #8B8B8B | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F3553A
#F3553A
oklch(66% 0.198 32.1)
- #00A4BB
#00A4BB
oklch(66% 0.115 212.1)
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 #F3553A, closest first.
No curated palette has a color within ΔE 0.04 of #F3553A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.027
- Blood Orange #FE4B03 ΔE 0.030
- Orange Pant #FB5607 ΔE 0.031
- Orangered #FE420F ΔE 0.032
- Orange Red #FF4500 ΔE 0.033
- Grapefruit #FD5956 ΔE 0.034
- Tomato #FF6347 ΔE 0.037
- Red Orange #FD3C06 ΔE 0.037
Use #F3553A 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.