#4274D1#4274D1

#4274D1 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.2% C 0.153 H 261.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4274D1
RGB	rgb(66, 116, 209)
HSL	hsl(219, 61%, 54%)
HSV	hsv(219, 68%, 82%)
CMYK	cmyk(68.4%, 44.5%, 0%, 18%)
CIE-LAB	lab(49.80, 13.76, -53.02)
CIE-LCH	lch(49.80, 54.77, 284.55°)
OKLab	oklab(57.17% -0.0224 -0.1516)
OKLCH	oklch(57.17% 0.153 261.6)
XYZ	xyz(19.9967, 18.2505, 62.7781)
Luminance	0.1825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274D1 #D19F42

analogous

#42BCD1 #4274D1 #5842D1

triadic

#4274D1 #D14274 #74D142

tetradic

#4274D1 #D142BC #D19F42 #42D158

square

#4274D1 #D142BC #D19F42 #42D158

split-complementary

#4274D1 #D15842 #BCD142

monochromatic

#1E3E7B #2A57AC #4274D1 #7398DD #A4BCE9

Accessibility & contrast

On white

4.52

#4274D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4274D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274D1

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274D1	#FFFFFF	#000000	##000000
##4274D1	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#467DD5

Deuteranopia (green-blind)

#2C70CF

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4274d1;
/* rgb */ color: rgb(66, 116, 209);
/* oklch */ color: oklch(57.2% 0.153 261.6);

Tailwind

colors: {
  custom: {
    50: '#869be0',
    500: '#4274d1',
    950: '#000000',
  },
}

SCSS

$custom: #4274d1;
$custom-light: #869be0;
$custom-dark: #000000;

JSON

{
  "hex": "#4274d1",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 209
  },
  "hsl": {
    "h": 219.021,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57168,
    "c": 0.15328,
    "h": 261.6
  },
  "luminance": 0.18252
}

Semantic roles & 50–950 ramp

primary

#4274D1

secondary

#D6C199

accent

#AC44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4274D1

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

Preview Lab → · Contrast checker → · Palette generator →