#F66658
Closest named color: Tomato (#FF6347). oklch(68.9% 0.18 28.2), rgb(246, 102, 88).
Aa
Black text reads best on this color (6.96:1).
About this color
#F66658 is a medium-light, vivid red. In OKLCH its lightness is 69%, its chroma 0.180 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Tomato (#FF6347), ΔE 0.022 away. Black text reads best on it, at 6.96:1.
| Hue family | Reds |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.180) |
| Temperature | warm |
| Nearest name | Tomato (#FF6347) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #F66658 |
| RGB | rgb(246, 102, 88) |
| HSL | hsl(5, 90%, 65%) |
| OKLCH | oklch(68.9% 0.18 28.2) |
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 #F66658 | 3.01:1 | AA large text | Lc -61.5 | Content text, not long reading |
| Black text on #F66658 | 6.96:1 | AA | Lc 47.9 | Large or bold text, headings |
| #F66658 text on white | 3.01:1 | AA large text | Lc 56.1 | Large or bold text, headings |
| #F66658 text on black | 6.96:1 | AA | Lc -45.7 | Large or bold text, headings |
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
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA599
oklch(80.8% 0.109 28)
-
Step 400
400 (this color)
#F66658
oklch(68.9% 0.18 28.2)
-
Step 500
500
#F5332C
oklch(63.1% 0.229 28.2)
-
Step 600
600
#D9000D
oklch(55.6% 0.228 28.2)
-
Step 700
700
#B80009
oklch(49.2% 0.201 28.2)
-
Step 800
800
#980006
oklch(42.7% 0.175 28.2)
-
Step 900
900
#7F0607
oklch(37.8% 0.15 28.3)
-
Step 950
950
#4B0B08
oklch(27.1% 0.095 28.3)
#F66658 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) | #8B8156 | 0.189 |
| Deuteranopia (no green cones) | #AFA054 | 0.174 |
| Tritanopia (no blue cones) | #FF4963 | 0.055 |
| Achromatopsia (no color) | #949494 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #F66658
#F66658
oklch(68.9% 0.18 28.2)
- #00AFC1
#00AFC1
oklch(69% 0.118 207.7)
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 #F66658, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tomato #FF6347 ΔE 0.022
- Coral Pink #FF6163 ΔE 0.024
- Grapefruit #FD5956 ΔE 0.024
- Orange Pink #FF6F52 ΔE 0.029
- Burnt Sienna #E76F51 ΔE 0.033
- Pinkish Orange #FF724C ΔE 0.037
- Melon #FF7855 ΔE 0.044
- Light Red #FF474C ΔE 0.048
Use #F66658 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.