#4274DA#4274DA

#4274DA is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.8% C 0.165 H 262.7°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4274DA
RGB	rgb(66, 116, 218)
HSL	hsl(220, 67%, 56%)
HSV	hsv(220, 70%, 85%)
CMYK	cmyk(69.7%, 46.8%, 0%, 14.5%)
CIE-LAB	lab(50.34, 16.99, -57.25)
CIE-LCH	lch(50.34, 59.71, 286.53°)
OKLab	oklab(57.76% -0.021 -0.1641)
OKLCH	oklch(57.76% 0.165 262.7)
XYZ	xyz(21.1426, 18.7088, 68.8130)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274DA #DAA842

analogous

#42C0DA #4274DA #5C42DA

triadic

#4274DA #DA4274 #74DA42

tetradic

#4274DA #DA42C0 #DAA842 #42DA5C

square

#4274DA #DA42C0 #DAA842 #42DA5C

split-complementary

#4274DA #DA5C42 #C0DA42

monochromatic

#1A3E87 #2456BA #4274DA #759AE4 #A8BFEE

Accessibility & contrast

On white

4.43

#4274DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4274DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274DA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274DA	#FFFFFF	#000000	##000000
##4274DA	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7FDE

Deuteranopia (green-blind)

#1A71D8

Tritanopia (blue-blind)

#008C9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4274da;
/* rgb */ color: rgb(66, 116, 218);
/* oklch */ color: oklch(57.8% 0.165 262.7);

Tailwind

colors: {
  custom: {
    50: '#889be6',
    500: '#4274da',
    950: '#000000',
  },
}

SCSS

$custom: #4274da;
$custom-light: #889be6;
$custom-dark: #000000;

JSON

{
  "hex": "#4274da",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 218
  },
  "hsl": {
    "h": 220.263,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57764,
    "c": 0.16541,
    "h": 262.7
  },
  "luminance": 0.18711
}

Semantic roles & 50–950 ramp

primary

#4274DA

secondary

#DBC79C

accent

#B13EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4274DA

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

Preview Lab → · Contrast checker → · Palette generator →