#F3453B
Closest named color: Orangey Red (#FA4224). oklch(64.3% 0.212 28), rgb(243, 69, 59).
Aa
Black text reads best on this color (5.72:1).
About this color
#F3453B is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.212 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Orangey Red (#FA4224), ΔE 0.020 away. Black text reads best on it, at 5.72:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.212) |
| Temperature | warm |
| Nearest name | Orangey Red (#FA4224) |
| Black text | 5.72:1 |
| White text | 3.66:1 |
Values
| HEX | #F3453B |
| RGB | rgb(243, 69, 59) |
| HSL | hsl(3, 88%, 59%) |
| OKLCH | oklch(64.3% 0.212 28) |
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 #F3453B | 3.66:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #F3453B | 5.72:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #F3453B text on white | 3.66:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #F3453B text on black | 5.72:1 | AA | Lc -38.8 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FEE3DF
oklch(93.7% 0.03 27.8)
-
Step 200
200
#FDCBC4
oklch(88.4% 0.058 27.5)
-
Step 300
300
#FDA79B
oklch(81% 0.104 28.3)
-
Step 400
400
#F77264
oklch(70.8% 0.166 28.1)
-
Step 500
500 (this color)
#F3453B
oklch(64.3% 0.212 28)
-
Step 600
600
#D9000F
oklch(55.6% 0.227 28)
-
Step 700
700
#B8000B
oklch(49.2% 0.201 28)
-
Step 800
800
#980007
oklch(42.7% 0.175 28)
-
Step 900
900
#7B1310
oklch(37.8% 0.139 28.1)
-
Step 950
950
#480F0B
oklch(27% 0.087 28.4)
#F3453B 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) | #796D38 | 0.226 |
| Deuteranopia (no green cones) | #A49334 | 0.206 |
| Tritanopia (no blue cones) | #FF0045 | 0.055 |
| Achromatopsia (no color) | #858585 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F3453B
#F3453B
oklch(64.3% 0.212 28)
- #009FB0
#009FB0
oklch(64.3% 0.111 208.1)
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 #F3453B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orangey Red #FA4224 ΔE 0.020
- Light Red #FF474C ΔE 0.029
- Vermillion #F4320C ΔE 0.030
- Red Orange #FD3C06 ΔE 0.031
- Orangered #FE420F ΔE 0.032
- Strawberry #FB2943 ΔE 0.035
- Orange Red #FF4500 ΔE 0.037
- Watermelon #FD4659 ΔE 0.038
Use #F3453B 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.