#427E8A#427E8A
#427E8A is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.8% C 0.065 H 212.2°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).
Color values
| HEX | #427E8A |
|---|---|
| RGB | rgb(66, 126, 138) |
| HSL | hsl(190, 35%, 40%) |
| HSV | hsv(190, 52%, 54%) |
| CMYK | cmyk(52.2%, 8.7%, 0%, 45.9%) |
| CIE-LAB | lab(49.39, -15.97, -12.51) |
| CIE-LCH | lch(49.39, 20.29, 218.07°) |
| OKLab | oklab(55.75% -0.0549 -0.0345) |
| OKLCH | oklch(55.75% 0.065 212.2) |
| XYZ | xyz(14.2933, 17.9137, 26.7443) |
| Luminance | 0.1792 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 4.96
Teal Blue
#01889F
ΔE00 5.70
Dirty Blue
#3F829D
ΔE00 6.01
Deep Aqua
#08787F
ΔE00 6.54
Dark Cyan
#0A888A
ΔE00 8.20
Sea Blue
#047495
ΔE00 8.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#427E8A #8A4E42
analogous
#428A72 #427E8A #425A8A
triadic
#427E8A #8A427E #7E8A42
tetradic
#427E8A #72428A #8A4E42 #5A8A42
square
#427E8A #72428A #8A4E42 #5A8A42
split-complementary
#427E8A #8A425A #8A7242
monochromatic
#1A3237 #2E5861 #427E8A #59A1B0 #83B9C4
Accessibility & contrast
On white
4.58
#427E8A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.58
#427E8A on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #427E8A
4.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##427E8A | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##427E8A | 1.00 | 4.58 | 4.58 | 4.58 |
| #FFFFFF | 4.58 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#747A8B
Deuteranopia (green-blind)
#69728A
Tritanopia (blue-blind)
#148382
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #427e8a; /* rgb */ color: rgb(66, 126, 138); /* oklch */ color: oklch(55.8% 0.065 212.2);
Tailwind
colors: {
custom: {
50: '#7ca3ac',
500: '#427e8a',
950: '#000000',
},
}SCSS
$custom: #427e8a; $custom-light: #7ca3ac; $custom-dark: #000000;
JSON
{
"hex": "#427e8a",
"rgb": {
"r": 66,
"g": 126,
"b": 138
},
"hsl": {
"h": 190,
"s": 35.294,
"l": 40
},
"oklch": {
"l": 0.55751,
"c": 0.06491,
"h": 212.2
},
"luminance": 0.17915
}Semantic roles & 50–950 ramp
primary
#427E8A
secondary
#AE8279
accent
#6F5CCB
background
#F7FAFA
surface
#EEF3F4
border
#C9CDCE
text
#0A0F10
muted
#7C7F7F