#4274CC#4274CC

#4274CC is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.147 H 260.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4274CC
RGB	rgb(66, 116, 204)
HSL	hsl(218, 58%, 53%)
HSV	hsv(218, 68%, 80%)
CMYK	cmyk(67.6%, 43.1%, 0%, 20%)
CIE-LAB	lab(49.50, 11.98, -50.64)
CIE-LCH	lch(49.50, 52.03, 283.31°)
OKLab	oklab(56.85% -0.0233 -0.1446)
OKLCH	oklch(56.85% 0.147 260.8)
XYZ	xyz(19.3874, 18.0067, 59.5689)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274CC #CC9A42

analogous

#42B9CC #4274CC #5542CC

triadic

#4274CC #CC4274 #74CC42

tetradic

#4274CC #CC42B9 #CC9A42 #42CC55

square

#4274CC #CC42B9 #CC9A42 #42CC55

split-complementary

#4274CC #CC5542 #B9CC42

monochromatic

#1F3E74 #2C58A4 #4274CC #7297D9 #A2BBE6

Accessibility & contrast

On white

4.56

#4274CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4274CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274CC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274CC	#FFFFFF	#000000	##000000
##4274CC	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7DCF

Deuteranopia (green-blind)

#3370CA

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4274cc;
/* rgb */ color: rgb(66, 116, 204);
/* oklch */ color: oklch(56.8% 0.147 260.8);

Tailwind

colors: {
  custom: {
    50: '#859bdc',
    500: '#4274cc',
    950: '#000000',
  },
}

SCSS

$custom: #4274cc;
$custom-light: #859bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4274cc",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 218.261,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56846,
    "c": 0.14651,
    "h": 260.8
  },
  "luminance": 0.18009
}

Semantic roles & 50–950 ramp

primary

#4274CC

secondary

#D3BD97

accent

#A947E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4274CC

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

Preview Lab → · Contrast checker → · Palette generator →