#4274D2#4274D2

#4274D2 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.2% C 0.155 H 261.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4274D2
RGB	rgb(66, 116, 210)
HSL	hsl(219, 62%, 54%)
HSV	hsv(219, 69%, 82%)
CMYK	cmyk(68.6%, 44.8%, 0%, 17.6%)
CIE-LAB	lab(49.86, 14.12, -53.49)
CIE-LCH	lch(49.86, 55.32, 284.79°)
OKLab	oklab(57.23% -0.0223 -0.153)
OKLCH	oklch(57.23% 0.155 261.7)
XYZ	xyz(20.1209, 18.3001, 63.4322)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274D2 #D2A042

analogous

#42BCD2 #4274D2 #5842D2

triadic

#4274D2 #D24274 #74D242

tetradic

#4274D2 #D242BC #D2A042 #42D258

square

#4274D2 #D242BC #D2A042 #42D258

split-complementary

#4274D2 #D25842 #BCD242

monochromatic

#1E3E7C #2957AD #4274D2 #7398DE #A5BDEA

Accessibility & contrast

On white

4.51

#4274D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#4274D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274D2

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274D2	#FFFFFF	#000000	##000000
##4274D2	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ED6

Deuteranopia (green-blind)

#2A70D0

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4274d2;
/* rgb */ color: rgb(66, 116, 210);
/* oklch */ color: oklch(57.2% 0.155 261.7);

Tailwind

colors: {
  custom: {
    50: '#869be0',
    500: '#4274d2',
    950: '#000000',
  },
}

SCSS

$custom: #4274d2;
$custom-light: #869be0;
$custom-dark: #000000;

JSON

{
  "hex": "#4274d2",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 210
  },
  "hsl": {
    "h": 219.167,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57233,
    "c": 0.15464,
    "h": 261.7
  },
  "luminance": 0.18302
}

Semantic roles & 50–950 ramp

primary

#4274D2

secondary

#D7C199

accent

#AD43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4274D2

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

Preview Lab → · Contrast checker → · Palette generator →