#F25121
Closest named color: Blood Orange (#FE4B03). oklch(65.2% 0.205 36), rgb(242, 81, 33).
Aa
Black text reads best on this color (5.97:1).
About this color
#F25121 is a medium-light, vivid red. In OKLCH its lightness is 65%, its chroma 0.205 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Blood Orange (#FE4B03), ΔE 0.023 away. Black text reads best on it, at 5.97:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.205) |
| Temperature | warm |
| Nearest name | Blood Orange (#FE4B03) |
| Black text | 5.97:1 |
| White text | 3.51:1 |
Values
| HEX | #F25121 |
| RGB | rgb(242, 81, 33) |
| HSL | hsl(14, 89%, 54%) |
| OKLCH | oklch(65.2% 0.205 36) |
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 #F25121 | 3.51:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #F25121 | 5.97:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #F25121 text on white | 3.51:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #F25121 text on black | 5.97:1 | AA | Lc -40.2 | 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
#FEF3EF
oklch(97.2% 0.013 41.2)
-
Step 100
100
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FBCDC0
oklch(88.5% 0.055 36.3)
-
Step 300
300
#FAAA93
oklch(81% 0.1 36.7)
-
Step 400
400
#F37755
oklch(70.7% 0.16 36.3)
-
Step 500
500 (this color)
#F25121
oklch(65.2% 0.205 36)
-
Step 600
600
#CA3700
oklch(55.6% 0.191 36)
-
Step 700
700
#AB2D00
oklch(49.1% 0.169 35.9)
-
Step 800
800
#8D2400
oklch(42.7% 0.146 36.1)
-
Step 900
900
#771D00
oklch(37.8% 0.129 36.2)
-
Step 950
950
#471204
oklch(27% 0.084 36.1)
#F25121 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) | #817217 | 0.210 |
| Deuteranopia (no green cones) | #A89616 | 0.191 |
| Tritanopia (no blue cones) | #FF1849 | 0.079 |
| Achromatopsia (no color) | #898989 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F25121
#F25121
oklch(65.2% 0.205 36)
- #00A0BD
#00A0BD
oklch(65.1% 0.116 216.8)
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 #F25121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blood Orange #FE4B03 ΔE 0.023
- Orange Pant #FB5607 ΔE 0.023
- Orangey Red #FA4224 ΔE 0.024
- Orange Red #FF4500 ΔE 0.026
- Orangered #FE420F ΔE 0.026
- Red Orange #FD3C06 ΔE 0.030
- Bright Orange #FF5B00 ΔE 0.035
- Vermillion #F4320C ΔE 0.039
Use #F25121 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.