#4274BD#4274BD

#4274BD is a mid, vivid blue. Relative luminance 0.173; OKLCH L 55.9% C 0.126 H 257.9°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4274BD
RGB	rgb(66, 116, 189)
HSL	hsl(216, 48%, 50%)
HSV	hsv(216, 65%, 74%)
CMYK	cmyk(65.1%, 38.6%, 0%, 25.9%)
CIE-LAB	lab(48.66, 6.67, -43.37)
CIE-LCH	lch(48.66, 43.88, 278.74°)
OKLab	oklab(55.92% -0.0265 -0.1233)
OKLCH	oklch(55.92% 0.126 257.9)
XYZ	xyz(17.6742, 17.3214, 50.5462)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4274BD #BD8B42

analogous

#42B1BD #4274BD #4E42BD

triadic

#4274BD #BD4274 #74BD42

tetradic

#4274BD #BD42B1 #BD8B42 #42BD4E

square

#4274BD #BD42B1 #BD8B42 #42BD4E

split-complementary

#4274BD #BD4E42 #B1BD42

monochromatic

#223C62 #325890 #4274BD #6F95CD #9DB7DD

Accessibility & contrast

On white

4.70

#4274BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4274BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4274BD

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4274BD	#FFFFFF	#000000	##FFFFFF
##4274BD	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547AC0

Deuteranopia (green-blind)

#426EBB

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4274bd;
/* rgb */ color: rgb(66, 116, 189);
/* oklch */ color: oklch(55.9% 0.126 257.9);

Tailwind

colors: {
  custom: {
    50: '#829bd1',
    500: '#4274bd',
    950: '#000000',
  },
}

SCSS

$custom: #4274bd;
$custom-light: #829bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4274bd",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 189
  },
  "hsl": {
    "h": 215.61,
    "s": 48.235,
    "l": 50
  },
  "oklch": {
    "l": 0.55921,
    "c": 0.12615,
    "h": 257.9
  },
  "luminance": 0.17323
}

Semantic roles & 50–950 ramp

primary

#4274BD

secondary

#C9B392

accent

#A150D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4274BD

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

Preview Lab → · Contrast checker → · Palette generator →