#FF666C
Closest named color: Coral Pink (#FF6163). oklch(70.6% 0.187 20.9), rgb(255, 102, 108).
Aa
Black text reads best on this color (7.36:1).
About this color
#FF666C is a medium-light, vivid red. In OKLCH its lightness is 71%, its chroma 0.187 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Coral Pink (#FF6163), ΔE 0.012 away. Black text reads best on it, at 7.36:1.
| Hue family | Reds |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.187) |
| Temperature | warm |
| Nearest name | Coral Pink (#FF6163) |
| Black text | 7.36:1 |
| White text | 2.84:1 |
Values
| HEX | #FF666C |
| RGB | rgb(255, 102, 108) |
| HSL | hsl(358, 100%, 70%) |
| OKLCH | oklch(70.6% 0.187 20.9) |
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 #FF666C | 2.84:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #FF666C | 7.36:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #FF666C text on white | 2.84:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #FF666C text on black | 7.36:1 | AAA | Lc -48.1 | 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
#FFF2F1
oklch(97.1% 0.014 22.8)
-
Step 100
100
#FFE2E1
oklch(93.6% 0.032 20.1)
-
Step 200
200
#FFCAC8
oklch(88.5% 0.061 20.9)
-
Step 300
300
#FFA4A2
oklch(80.9% 0.108 21.1)
-
Step 400
400 (this color)
#FF666C
oklch(70.6% 0.187 20.9)
-
Step 500
500
#F92445
oklch(63.2% 0.239 21)
-
Step 600
600
#D70034
oklch(55.6% 0.223 21)
-
Step 700
700
#B6002B
oklch(49.1% 0.197 20.8)
-
Step 800
800
#970022
oklch(42.8% 0.172 20.8)
-
Step 900
900
#7F001B
oklch(37.7% 0.152 20.8)
-
Step 950
950
#4C0710
oklch(27.1% 0.099 20.8)
#FF666C 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) | #8C856B | 0.201 |
| Deuteranopia (no green cones) | #B2A568 | 0.186 |
| Tritanopia (no blue cones) | #FF4969 | 0.048 |
| Achromatopsia (no color) | #999999 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FF666C
#FF666C
oklch(70.6% 0.187 20.9)
- #00B6BF
#00B6BF
oklch(70.6% 0.12 201.1)
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 #FF666C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Coral Pink #FF6163 ΔE 0.012
- Grapefruit #FD5956 ΔE 0.029
- Salmon Pink #FE7B7C ΔE 0.040
- Orange Pink #FF6F52 ΔE 0.040
- Tomato #FF6347 ΔE 0.040
- Rosy Pink #F6688E ΔE 0.048
- Carnation #FD798F ΔE 0.048
- Pinkish Orange #FF724C ΔE 0.050
Use #FF666C 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.