#4274BC#4274BC

#4274BC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 55.9% C 0.125 H 257.6°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4274BC
RGB	rgb(66, 116, 188)
HSL	hsl(215, 48%, 50%)
HSV	hsv(215, 65%, 74%)
CMYK	cmyk(64.9%, 38.3%, 0%, 26.3%)
CIE-LAB	lab(48.61, 6.32, -42.88)
CIE-LCH	lch(48.61, 43.34, 278.38°)
OKLab	oklab(55.86% -0.0267 -0.1219)
OKLCH	oklch(55.86% 0.125 257.6)
XYZ	xyz(17.5660, 17.2782, 49.9765)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274BC #BC8A42

analogous

#42B1BC #4274BC #4D42BC

triadic

#4274BC #BC4274 #74BC42

tetradic

#4274BC #BC42B1 #BC8A42 #42BC4D

square

#4274BC #BC42B1 #BC8A42 #42BC4D

split-complementary

#4274BC #BC4D42 #B1BC42

monochromatic

#223C61 #32588F #4274BC #6F95CC #9CB6DC

Accessibility & contrast

On white

4.71

#4274BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4274BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4274BC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274BC	#FFFFFF	#000000	##FFFFFF
##4274BC	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547ABF

Deuteranopia (green-blind)

#436EBB

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4274bc;
/* rgb */ color: rgb(66, 116, 188);
/* oklch */ color: oklch(55.9% 0.125 257.6);

Tailwind

colors: {
  custom: {
    50: '#829bd0',
    500: '#4274bc',
    950: '#000000',
  },
}

SCSS

$custom: #4274bc;
$custom-light: #829bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4274bc",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 188
  },
  "hsl": {
    "h": 215.41,
    "s": 48.031,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55861,
    "c": 0.1248,
    "h": 257.6
  },
  "luminance": 0.1728
}

Semantic roles & 50–950 ramp

primary

#4274BC

secondary

#C9B291

accent

#A050D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4274BC

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

Preview Lab → · Contrast checker → · Palette generator →