#F56451
Closest named color: Tomato (#FF6347). oklch(68.4% 0.182 30), rgb(245, 100, 81).
Aa
Black text reads best on this color (6.82:1).
About this color
#F56451 is a medium-light, vivid red. In OKLCH its lightness is 68%, its chroma 0.182 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato (#FF6347), ΔE 0.020 away. Black text reads best on it, at 6.82:1.
| Hue family | Reds |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.182) |
| Temperature | warm |
| Nearest name | Tomato (#FF6347) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #F56451 |
| RGB | rgb(245, 100, 81) |
| HSL | hsl(7, 89%, 64%) |
| OKLCH | oklch(68.4% 0.182 30) |
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 #F56451 | 3.07:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #F56451 | 6.82:1 | AA | Lc 47.2 | Large or bold text, headings |
| #F56451 text on white | 3.07:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #F56451 text on black | 6.82:1 | AA | Lc -44.9 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DD
oklch(93.5% 0.033 29.4)
-
Step 200
200
#FFCBC2
oklch(88.5% 0.061 29.7)
-
Step 300
300
#FFA697
oklch(81% 0.108 30.1)
-
Step 400
400 (this color)
#F56451
oklch(68.4% 0.182 30)
-
Step 500
500
#F63120
oklch(63% 0.232 29.9)
-
Step 600
600
#D70F00
oklch(55.6% 0.223 29.9)
-
Step 700
700
#B60B00
oklch(49.1% 0.197 30)
-
Step 800
800
#970700
oklch(42.7% 0.172 29.9)
-
Step 900
900
#7F0500
oklch(37.7% 0.151 30)
-
Step 950
950
#4B0A05
oklch(27% 0.096 29.9)
#F56451 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) | #8B7F4E | 0.188 |
| Deuteranopia (no green cones) | #AF9F4D | 0.174 |
| Tritanopia (no blue cones) | #FF4560 | 0.059 |
| Achromatopsia (no color) | #939393 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F56451
#F56451
oklch(68.4% 0.182 30)
- #00ADC1
#00ADC1
oklch(68.5% 0.118 209.3)
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 #F56451, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato #FF6347 ΔE 0.020
- Grapefruit #FD5956 ΔE 0.025
- Coral Pink #FF6163 ΔE 0.029
- Burnt Sienna #E76F51 ΔE 0.031
- Orange Pink #FF6F52 ΔE 0.031
- Pinkish Orange #FF724C ΔE 0.038
- Orange Pant #FB5607 ΔE 0.045
- Light Red #FF474C ΔE 0.046
Use #F56451 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.