#F04148
Closest named color: Imperial Red (#E63946). oklch(63.6% 0.211 23.6), rgb(240, 65, 72).
Aa
Black text reads best on this color (5.55:1).
About this color
#F04148 is a medium-light, vivid red. In OKLCH its lightness is 64%, its chroma 0.211 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Imperial Red (#E63946), ΔE 0.025 away. Black text reads best on it, at 5.55:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.211) |
| Temperature | warm |
| Nearest name | Imperial Red (#E63946) |
| Black text | 5.55:1 |
| White text | 3.78:1 |
Values
| HEX | #F04148 |
| RGB | rgb(240, 65, 72) |
| HSL | hsl(358, 85%, 60%) |
| OKLCH | oklch(63.6% 0.211 23.6) |
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 #F04148 | 3.78:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #F04148 | 5.55:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #F04148 text on white | 3.78:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #F04148 text on black | 5.55:1 | AA | Lc -37.7 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FDCBC7
oklch(88.5% 0.057 23.6)
-
Step 300
300
#FCA6A1
oklch(80.8% 0.103 23.2)
-
Step 400
400
#F6716D
oklch(70.7% 0.164 23.9)
-
Step 500
500 (this color)
#F04148
oklch(63.6% 0.211 23.6)
-
Step 600
600
#D8002A
oklch(55.6% 0.225 23.5)
-
Step 700
700
#B70022
oklch(49.2% 0.199 23.5)
-
Step 800
800
#97001A
oklch(42.7% 0.172 23.6)
-
Step 900
900
#7A121A
oklch(37.6% 0.137 23.7)
-
Step 950
950
#480E10
oklch(26.9% 0.087 23.5)
#F04148 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) | #746B47 | 0.229 |
| Deuteranopia (no green cones) | #A09142 | 0.210 |
| Tritanopia (no blue cones) | #FF0045 | 0.046 |
| Achromatopsia (no color) | #838383 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F04148
#F04148
oklch(63.6% 0.211 23.6)
- #009EA9
#009EA9
oklch(63.7% 0.109 203.5)
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 #F04148, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Imperial Red #E63946 ΔE 0.025
- Strawberry #FB2943 ΔE 0.028
- Pinky Red #FC2647 ΔE 0.031
- Red Pantone #EF233C ΔE 0.032
- Light Red #FF474C ΔE 0.032
- Watermelon #FD4659 ΔE 0.032
- Red Pink #FA2A55 ΔE 0.035
- Orangey Red #FA4224 ΔE 0.037
Use #F04148 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.