#427EE1#427EE1

#427EE1 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.3% C 0.163 H 259.9°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#427EE1
RGB	rgb(66, 126, 225)
HSL	hsl(217, 73%, 57%)
HSV	hsv(217, 71%, 88%)
CMYK	cmyk(70.7%, 44%, 0%, 11.8%)
CIE-LAB	lab(53.51, 13.30, -56.12)
CIE-LCH	lch(53.51, 57.67, 283.33°)
OKLab	oklab(60.33% -0.0287 -0.1606)
OKLCH	oklch(60.33% 0.163 259.9)
XYZ	xyz(23.2933, 21.5137, 74.1445)
Luminance	0.2152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EE1 #E1A542

analogous

#42CEE1 #427EE1 #5542E1

triadic

#427EE1 #E1427E #7EE142

tetradic

#427EE1 #E142CE #E1A542 #42E155

square

#427EE1 #E142CE #E1A542 #42E155

split-complementary

#427EE1 #E15542 #CEE142

monochromatic

#174592 #1F5EC6 #427EE1 #77A2E9 #ACC6F2

Accessibility & contrast

On white

3.96

#427EE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#427EE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EE1

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EE1	#FFFFFF	#000000	##000000
##427EE1	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D88E5

Deuteranopia (green-blind)

#2F79DF

Tritanopia (blue-blind)

#0095A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #427ee1;
/* rgb */ color: rgb(66, 126, 225);
/* oklch */ color: oklch(60.3% 0.163 259.9);

Tailwind

colors: {
  custom: {
    50: '#89a2eb',
    500: '#427ee1',
    950: '#000000',
  },
}

SCSS

$custom: #427ee1;
$custom-light: #89a2eb;
$custom-dark: #000000;

JSON

{
  "hex": "#427ee1",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 225
  },
  "hsl": {
    "h": 217.358,
    "s": 72.603,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60332,
    "c": 0.16313,
    "h": 259.9
  },
  "luminance": 0.21516
}

Semantic roles & 50–950 ramp

primary

#427EE1

secondary

#E0C79F

accent

#AA38EF

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #427EE1

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

Preview Lab → · Contrast checker → · Palette generator →