#4274D7#4274D7

#4274D7 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.6% C 0.161 H 262.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4274D7
RGB	rgb(66, 116, 215)
HSL	hsl(220, 65%, 55%)
HSV	hsv(220, 69%, 84%)
CMYK	cmyk(69.3%, 46%, 0%, 15.7%)
CIE-LAB	lab(50.16, 15.91, -55.84)
CIE-LCH	lch(50.16, 58.06, 285.90°)
OKLab	oklab(57.56% -0.0214 -0.1599)
OKLCH	oklch(57.56% 0.161 262.4)
XYZ	xyz(20.7535, 18.5532, 66.7642)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274D7 #D7A542

analogous

#42BED7 #4274D7 #5B42D7

triadic

#4274D7 #D74274 #74D742

tetradic

#4274D7 #D742BE #D7A542 #42D75B

square

#4274D7 #D742BE #D7A542 #42D75B

split-complementary

#4274D7 #D75B42 #BED742

monochromatic

#1C3E83 #2656B5 #4274D7 #7599E2 #A7BEEC

Accessibility & contrast

On white

4.46

#4274D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4274D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274D7

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274D7	#FFFFFF	#000000	##000000
##4274D7	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417FDB

Deuteranopia (green-blind)

#2171D5

Tritanopia (blue-blind)

#008B9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4274d7;
/* rgb */ color: rgb(66, 116, 215);
/* oklch */ color: oklch(57.6% 0.161 262.4);

Tailwind

colors: {
  custom: {
    50: '#879be4',
    500: '#4274d7',
    950: '#000000',
  },
}

SCSS

$custom: #4274d7;
$custom-light: #879be4;
$custom-dark: #000000;

JSON

{
  "hex": "#4274d7",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 215
  },
  "hsl": {
    "h": 219.866,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.57563,
    "c": 0.16138,
    "h": 262.4
  },
  "luminance": 0.18555
}

Semantic roles & 50–950 ramp

primary

#4274D7

secondary

#DAC59B

accent

#B040E8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0E16

muted

#7D7E84

Preview Lab

Preview with #4274D7

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

Preview Lab → · Contrast checker → · Palette generator →