#4274C7#4274C7

#4274C7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.5% C 0.140 H 260.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4274C7
RGB	rgb(66, 116, 199)
HSL	hsl(217, 54%, 52%)
HSV	hsv(217, 67%, 78%)
CMYK	cmyk(66.8%, 41.7%, 0%, 22%)
CIE-LAB	lab(49.22, 10.20, -48.24)
CIE-LCH	lch(49.22, 49.30, 281.94°)
OKLab	oklab(56.53% -0.0243 -0.1376)
OKLCH	oklch(56.53% 0.14 260)
XYZ	xyz(18.7973, 17.7707, 56.4612)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274C7 #C79542

analogous

#42B6C7 #4274C7 #5342C7

triadic

#4274C7 #C74274 #74C742

tetradic

#4274C7 #C742B6 #C79542 #42C753

square

#4274C7 #C742B6 #C79542 #42C753

split-complementary

#4274C7 #C75342 #B6C742

monochromatic

#213E6E #2F589D #4274C7 #7197D5 #A0B9E3

Accessibility & contrast

On white

4.61

#4274C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4274C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4274C7

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274C7	#FFFFFF	#000000	##FFFFFF
##4274C7	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7CCA

Deuteranopia (green-blind)

#386FC5

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4274c7;
/* rgb */ color: rgb(66, 116, 199);
/* oklch */ color: oklch(56.5% 0.140 260.0);

Tailwind

colors: {
  custom: {
    50: '#849bd8',
    500: '#4274c7',
    950: '#000000',
  },
}

SCSS

$custom: #4274c7;
$custom-light: #849bd8;
$custom-dark: #000000;

JSON

{
  "hex": "#4274c7",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 199
  },
  "hsl": {
    "h": 217.444,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56531,
    "c": 0.13973,
    "h": 260
  },
  "luminance": 0.17773
}

Semantic roles & 50–950 ramp

primary

#4274C7

secondary

#D0BA95

accent

#A64ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4274C7

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

Preview Lab → · Contrast checker → · Palette generator →