#4272BE#4272BE

#4272BE is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.5% C 0.130 H 259.2°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4272BE
RGB	rgb(66, 114, 190)
HSL	hsl(217, 49%, 50%)
HSV	hsv(217, 65%, 75%)
CMYK	cmyk(65.3%, 40%, 0%, 25.5%)
CIE-LAB	lab(48.15, 8.26, -44.77)
CIE-LCH	lch(48.15, 45.53, 280.45°)
OKLab	oklab(55.54% -0.0242 -0.1275)
OKLCH	oklch(55.54% 0.13 259.2)
XYZ	xyz(17.5550, 16.9089, 51.0438)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4272BE #BE8E42

analogous

#42B0BE #4272BE #5042BE

triadic

#4272BE #BE4272 #72BE42

tetradic

#4272BE #BE42B0 #BE8E42 #42BE50

square

#4272BE #BE42B0 #BE8E42 #42BE50

split-complementary

#4272BE #BE5042 #B0BE42

monochromatic

#223B63 #325791 #4272BE #7094CE #9DB6DD

Accessibility & contrast

On white

4.79

#4272BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#4272BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4272BE

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4272BE	#FFFFFF	#000000	##FFFFFF
##4272BE	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5079C1

Deuteranopia (green-blind)

#3E6DBC

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4272be;
/* rgb */ color: rgb(66, 114, 190);
/* oklch */ color: oklch(55.5% 0.130 259.2);

Tailwind

colors: {
  custom: {
    50: '#839ad2',
    500: '#4272be',
    950: '#000000',
  },
}

SCSS

$custom: #4272be;
$custom-light: #839ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#4272be",
  "rgb": {
    "r": 66,
    "g": 114,
    "b": 190
  },
  "hsl": {
    "h": 216.774,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55537,
    "c": 0.12974,
    "h": 259.2
  },
  "luminance": 0.16911
}

Semantic roles & 50–950 ramp

primary

#4272BE

secondary

#CAB492

accent

#A34FD8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4272BE

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

Preview Lab → · Contrast checker → · Palette generator →