#4274C5#4274C5

#4274C5 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.4% C 0.137 H 259.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4274C5
RGB	rgb(66, 116, 197)
HSL	hsl(217, 53%, 52%)
HSV	hsv(217, 66%, 77%)
CMYK	cmyk(66.5%, 41.1%, 0%, 22.7%)
CIE-LAB	lab(49.10, 9.49, -47.27)
CIE-LCH	lch(49.10, 48.21, 281.36°)
OKLab	oklab(56.41% -0.0247 -0.1348)
OKLCH	oklch(56.41% 0.137 259.6)
XYZ	xyz(18.5666, 17.6784, 55.2463)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274C5 #C59342

analogous

#42B6C5 #4274C5 #5242C5

triadic

#4274C5 #C54274 #74C542

tetradic

#4274C5 #C542B6 #C59342 #42C552

square

#4274C5 #C542B6 #C59342 #42C552

split-complementary

#4274C5 #C55242 #B6C542

monochromatic

#213D6C #2F589A #4274C5 #7196D3 #A0B9E2

Accessibility & contrast

On white

4.63

#4274C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#4274C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4274C5

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274C5	#FFFFFF	#000000	##FFFFFF
##4274C5	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7BC8

Deuteranopia (green-blind)

#3B6FC3

Tritanopia (blue-blind)

#008793

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4274c5;
/* rgb */ color: rgb(66, 116, 197);
/* oklch */ color: oklch(56.4% 0.137 259.6);

Tailwind

colors: {
  custom: {
    50: '#849bd7',
    500: '#4274c5',
    950: '#000000',
  },
}

SCSS

$custom: #4274c5;
$custom-light: #849bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#4274c5",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 197
  },
  "hsl": {
    "h": 217.099,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56407,
    "c": 0.13701,
    "h": 259.6
  },
  "luminance": 0.1768
}

Semantic roles & 50–950 ramp

primary

#4274C5

secondary

#CEB895

accent

#A54BDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4274C5

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

Preview Lab → · Contrast checker → · Palette generator →