#4274CA#4274CA

#4274CA is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.144 H 260.5°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#4274CA
RGB	rgb(66, 116, 202)
HSL	hsl(218, 56%, 53%)
HSV	hsv(218, 67%, 79%)
CMYK	cmyk(67.3%, 42.6%, 0%, 20.8%)
CIE-LAB	lab(49.39, 11.27, -49.68)
CIE-LCH	lch(49.39, 50.94, 282.78°)
OKLab	oklab(56.72% -0.0237 -0.1418)
OKLCH	oklch(56.72% 0.144 260.5)
XYZ	xyz(19.1490, 17.9114, 58.3137)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274CA #CA9842

analogous

#42B8CA #4274CA #5442CA

triadic

#4274CA #CA4274 #74CA42

tetradic

#4274CA #CA42B8 #CA9842 #42CA54

square

#4274CA #CA42B8 #CA9842 #42CA54

split-complementary

#4274CA #CA5442 #B8CA42

monochromatic

#203E72 #2D58A2 #4274CA #7297D7 #A2BAE5

Accessibility & contrast

On white

4.58

#4274CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4274CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274CA

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274CA	#FFFFFF	#000000	##000000
##4274CA	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7CCD

Deuteranopia (green-blind)

#3570C8

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4274ca;
/* rgb */ color: rgb(66, 116, 202);
/* oklch */ color: oklch(56.7% 0.144 260.5);

Tailwind

colors: {
  custom: {
    50: '#859bda',
    500: '#4274ca',
    950: '#000000',
  },
}

SCSS

$custom: #4274ca;
$custom-light: #859bda;
$custom-dark: #000000;

JSON

{
  "hex": "#4274ca",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 202
  },
  "hsl": {
    "h": 217.941,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56719,
    "c": 0.1438,
    "h": 260.5
  },
  "luminance": 0.17913
}

Semantic roles & 50–950 ramp

primary

#4274CA

secondary

#D1BC96

accent

#A848DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4274CA

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

Preview Lab → · Contrast checker → · Palette generator →