#F3584E
Closest named color: Grapefruit (#FD5956). oklch(66.6% 0.192 27.2), rgb(243, 88, 78).
Aa
Black text reads best on this color (6.31:1).
About this color
#F3584E is a medium-light, vivid red. In OKLCH its lightness is 67%, its chroma 0.192 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Grapefruit (#FD5956), ΔE 0.021 away. Black text reads best on it, at 6.31:1.
| Hue family | Reds |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.192) |
| Temperature | warm |
| Nearest name | Grapefruit (#FD5956) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #F3584E |
| RGB | rgb(243, 88, 78) |
| HSL | hsl(4, 87%, 63%) |
| OKLCH | oklch(66.6% 0.192 27.2) |
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 #F3584E | 3.32:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #F3584E | 6.31:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #F3584E text on white | 3.32:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #F3584E text on black | 6.31:1 | AA | Lc -42.1 | 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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FCE3E0
oklch(93.5% 0.028 25.9)
-
Step 200
200
#FACDC7
oklch(88.6% 0.052 27)
-
Step 300
300
#F8A9A0
oklch(80.9% 0.095 26.5)
-
Step 400
400
#F0776C
oklch(70.7% 0.151 26.9)
-
Step 500
500 (this color)
#F3584E
oklch(66.6% 0.192 27.2)
-
Step 600
600
#D22223
oklch(55.6% 0.209 27.3)
-
Step 700
700
#B50D15
oklch(49% 0.194 27.3)
-
Step 800
800
#931415
oklch(42.7% 0.161 27.2)
-
Step 900
900
#761C18
oklch(37.7% 0.125 27.5)
-
Step 950
950
#46120F
oklch(27% 0.08 27.1)
#F3584E 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) | #82784C | 0.204 |
| Deuteranopia (no green cones) | #A99949 | 0.187 |
| Tritanopia (no blue cones) | #FF3257 | 0.057 |
| Achromatopsia (no color) | #8D8D8D | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F3584E
#F3584E
oklch(66.6% 0.192 27.2)
- #00A7B7
#00A7B7
oklch(66.6% 0.114 206.8)
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 #F3584E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grapefruit #FD5956 ΔE 0.021
- Light Red #FF474C ΔE 0.030
- Tomato #FF6347 ΔE 0.035
- Coral Pink #FF6163 ΔE 0.036
- Watermelon #FD4659 ΔE 0.036
- Orangey Red #FA4224 ΔE 0.039
- Burnt Sienna #E76F51 ΔE 0.045
- Pastel Red #DB5856 ΔE 0.046
Use #F3584E 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.