#F1644C
Closest named color: Burnt Sienna (#E76F51). oklch(67.7% 0.179 31.8), rgb(241, 100, 76).
Aa
Black text reads best on this color (6.66:1).
About this color
#F1644C is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.179 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Sienna (#E76F51), ΔE 0.025 away. Black text reads best on it, at 6.66:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.179) |
| Temperature | warm |
| Nearest name | Burnt Sienna (#E76F51) |
| Black text | 6.66:1 |
| White text | 3.14:1 |
Values
| HEX | #F1644C |
| RGB | rgb(241, 100, 76) |
| HSL | hsl(9, 85%, 62%) |
| OKLCH | oklch(67.7% 0.179 31.8) |
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 #F1644C | 3.14:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #F1644C | 6.66:1 | AA | Lc 46.3 | Large or bold text, headings |
| #F1644C text on white | 3.14:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #F1644C text on black | 6.66:1 | AA | Lc -44.0 | 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 400.
-
Step 50
50
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DD
oklch(93.7% 0.032 32.1)
-
Step 200
200
#FFCBC0
oklch(88.5% 0.061 32.1)
-
Step 300
300
#FFA694
oklch(80.9% 0.109 32)
-
Step 400
400 (this color)
#F1644C
oklch(67.7% 0.179 31.8)
-
Step 500
500
#F53617
oklch(63.2% 0.229 31.7)
-
Step 600
600
#D32200
oklch(55.6% 0.212 31.7)
-
Step 700
700
#B21B00
oklch(49% 0.187 31.7)
-
Step 800
800
#941500
oklch(42.8% 0.163 31.8)
-
Step 900
900
#7C1000
oklch(37.7% 0.143 31.8)
-
Step 950
950
#4A0C04
oklch(26.9% 0.094 31.7)
#F1644C 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) | #8A7E49 | 0.183 |
| Deuteranopia (no green cones) | #AD9D48 | 0.170 |
| Tritanopia (no blue cones) | #FF455F | 0.064 |
| Achromatopsia (no color) | #919191 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F1644C
#F1644C
oklch(67.7% 0.179 31.8)
- #00AAC1
#00AAC1
oklch(67.7% 0.118 211.6)
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 #F1644C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Sienna #E76F51 ΔE 0.025
- Tomato #FF6347 ΔE 0.026
- Grapefruit #FD5956 ΔE 0.032
- Orange Pink #FF6F52 ΔE 0.036
- Coral Pink #FF6163 ΔE 0.038
- Pinkish Orange #FF724C ΔE 0.041
- Orange Pant #FB5607 ΔE 0.042
- Bright Orange #FF5B00 ΔE 0.045
Use #F1644C 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.