#427EAF#427EAF

#427EAF is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.4% C 0.098 H 245.4°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#427EAF
RGB	rgb(66, 126, 175)
HSL	hsl(207, 45%, 47%)
HSV	hsv(207, 62%, 69%)
CMYK	cmyk(62.3%, 28%, 0%, 31.4%)
CIE-LAB	lab(50.89, -4.18, -31.78)
CIE-LCH	lch(50.89, 32.06, 262.51°)
OKLab	oklab(57.44% -0.0411 -0.0895)
OKLCH	oklch(57.44% 0.098 245.4)
XYZ	xyz(17.4426, 19.1734, 43.3307)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EAF #AF7342

analogous

#42AFA9 #427EAF #4248AF

triadic

#427EAF #AF427E #7EAF42

tetradic

#427EAF #A942AF #AF7342 #48AF42

square

#427EAF #A942AF #AF7342 #48AF42

split-complementary

#427EAF #AF4248 #AFA942

monochromatic

#203E56 #315E83 #427EAF #689CC6 #95B9D7

Accessibility & contrast

On white

4.34

#427EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#427EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EAF

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EAF	#FFFFFF	#000000	##000000
##427EAF	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697FB1

Deuteranopia (green-blind)

#5A74AE

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #427eaf;
/* rgb */ color: rgb(66, 126, 175);
/* oklch */ color: oklch(57.4% 0.098 245.4);

Tailwind

colors: {
  custom: {
    50: '#80a3c7',
    500: '#427eaf',
    950: '#000000',
  },
}

SCSS

$custom: #427eaf;
$custom-light: #80a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#427eaf",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 206.972,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.57437,
    "c": 0.09843,
    "h": 245.4
  },
  "luminance": 0.19175
}

Semantic roles & 50–950 ramp

primary

#427EAF

secondary

#C2A48A

accent

#8D53D5

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #427EAF

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

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