#F4392F
Closest named color: Vermillion (#F4320C). oklch(63.4% 0.224 28.5), rgb(244, 57, 47).
Aa
Black text reads best on this color (5.47:1).
About this color
#F4392F is a medium-light, vivid red. In OKLCH its lightness is 63%, its chroma 0.224 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Vermillion (#F4320C), ΔE 0.018 away. Black text reads best on it, at 5.47:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.224) |
| Temperature | warm |
| Nearest name | Vermillion (#F4320C) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #F4392F |
| RGB | rgb(244, 57, 47) |
| HSL | hsl(3, 90%, 57%) |
| OKLCH | oklch(63.4% 0.224 28.5) |
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 #F4392F | 3.83:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #F4392F | 5.47:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #F4392F text on white | 3.83:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #F4392F text on black | 5.47:1 | AA | Lc -37.5 | 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
#FFE3DE
oklch(93.7% 0.032 29.8)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400
#FB6E5F
oklch(70.8% 0.176 28.4)
-
Step 500
500 (this color)
#F4392F
oklch(63.4% 0.224 28.5)
-
Step 600
600
#D90009
oklch(55.6% 0.228 28.5)
-
Step 700
700
#B80006
oklch(49.2% 0.201 28.5)
-
Step 800
800
#980004
oklch(42.7% 0.175 28.5)
-
Step 900
900
#7D0B09
oklch(37.6% 0.146 28.5)
-
Step 950
950
#4A0C09
oklch(27% 0.093 28.1)
#F4392F 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) | #74682B | 0.241 |
| Deuteranopia (no green cones) | #A29125 | 0.219 |
| Tritanopia (no blue cones) | #FF0039 | 0.040 |
| Achromatopsia (no color) | #828282 | 0.225 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F4392F
#F4392F
oklch(63.4% 0.224 28.5)
- #009CAD
#009CAD
oklch(63.4% 0.109 208.4)
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 #F4392F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vermillion #F4320C ΔE 0.018
- Orangey Red #FA4224 ΔE 0.021
- Red Orange #FD3C06 ΔE 0.028
- Tomato Red #EC2D01 ΔE 0.030
- Strawberry #FB2943 ΔE 0.030
- Orangered #FE420F ΔE 0.032
- Red Pantone #EF233C ΔE 0.033
- Bright Red #FF000D ΔE 0.034
Use #F4392F 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.