#427EA1#427EA1

#427EA1 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.083 H 236.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#427EA1
RGB	rgb(66, 126, 161)
HSL	hsl(202, 42%, 45%)
HSV	hsv(202, 59%, 63%)
CMYK	cmyk(59%, 21.7%, 0%, 36.9%)
CIE-LAB	lab(50.28, -8.81, -24.61)
CIE-LCH	lch(50.28, 26.14, 250.31°)
OKLab	oklab(56.75% -0.0458 -0.0688)
OKLCH	oklch(56.75% 0.083 236.3)
XYZ	xyz(16.1382, 18.6517, 36.4610)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EA1 #A16542

analogous

#42A195 #427EA1 #424FA1

triadic

#427EA1 #A1427E #7EA142

tetradic

#427EA1 #9542A1 #A16542 #4FA142

square

#427EA1 #9542A1 #A16542 #4FA142

split-complementary

#427EA1 #A1424F #A19542

monochromatic

#1E3A4A #305C76 #427EA1 #629CBF #8DB8D0

Accessibility & contrast

On white

4.44

#427EA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#427EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EA1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EA1	#FFFFFF	#000000	##000000
##427EA1	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA3

Deuteranopia (green-blind)

#6173A0

Tritanopia (blue-blind)

#00878A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #427ea1;
/* rgb */ color: rgb(66, 126, 161);
/* oklch */ color: oklch(56.8% 0.083 236.3);

Tailwind

colors: {
  custom: {
    50: '#7fa3bd',
    500: '#427ea1',
    950: '#000000',
  },
}

SCSS

$custom: #427ea1;
$custom-light: #7fa3bd;
$custom-dark: #000000;

JSON

{
  "hex": "#427ea1",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 161
  },
  "hsl": {
    "h": 202.105,
    "s": 41.85,
    "l": 44.51
  },
  "oklch": {
    "l": 0.56751,
    "c": 0.08268,
    "h": 236.3
  },
  "luminance": 0.18653
}

Semantic roles & 50–950 ramp

primary

#427EA1

secondary

#BB9883

accent

#8456D2

background

#F8FAFB

surface

#EFF3F6

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #427EA1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →