#4657BC#4657BC

#4657BC is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.9% C 0.159 H 272.2°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4657BC
RGB	rgb(70, 87, 188)
HSL	hsl(231, 47%, 51%)
HSV	hsv(231, 63%, 74%)
CMYK	cmyk(62.8%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(40.81, 25.37, -55.36)
CIE-LCH	lch(40.81, 60.89, 294.62°)
OKLab	oklab(49.95% 0.006 -0.1589)
OKLCH	oklch(49.95% 0.159 272.2)
XYZ	xyz(15.0081, 11.7481, 49.0439)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4657BC #BCAB46

analogous

#4692BC #4657BC #7046BC

triadic

#4657BC #BC4657 #57BC46

tetradic

#4657BC #BC4692 #BCAB46 #46BC70

square

#4657BC #BC4692 #BCAB46 #46BC70

split-complementary

#4657BC #BC7046 #92BC46

monochromatic

#242D64 #344290 #4657BC #7380CC #A0A9DD

Accessibility & contrast

On white

6.27

#4657BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4657BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4657BC

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4657BC	#FFFFFF	#000000	##FFFFFF
##4657BC	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1366C0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4657bc;
/* rgb */ color: rgb(70, 87, 188);
/* oklch */ color: oklch(49.9% 0.159 272.2);

Tailwind

colors: {
  custom: {
    50: '#8586d1',
    500: '#4657bc',
    950: '#000000',
  },
}

SCSS

$custom: #4657bc;
$custom-light: #8586d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4657bc",
  "rgb": {
    "r": 70,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 231.356,
    "s": 46.825,
    "l": 50.588
  },
  "oklch": {
    "l": 0.49948,
    "c": 0.15897,
    "h": 272.2
  },
  "luminance": 0.11749
}

Semantic roles & 50–950 ramp

primary

#4657BC

secondary

#C9C295

accent

#C351D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4657BC

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

Preview Lab → · Contrast checker → · Palette generator →