#4657BB#4657BB

#4657BB is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.9% C 0.158 H 272.2°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4657BB
RGB	rgb(70, 87, 187)
HSL	hsl(231, 46%, 50%)
HSV	hsv(231, 63%, 73%)
CMYK	cmyk(62.6%, 53.5%, 0%, 26.7%)
CIE-LAB	lab(40.74, 25.02, -54.88)
CIE-LCH	lch(40.74, 60.32, 294.51°)
OKLab	oklab(49.87% 0.006 -0.1575)
OKLCH	oklch(49.87% 0.158 272.2)
XYZ	xyz(14.9006, 11.7051, 48.4781)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4657BB #BBAA46

analogous

#4691BB #4657BB #6F46BB

triadic

#4657BB #BB4657 #57BB46

tetradic

#4657BB #BB4691 #BBAA46 #46BB6F

square

#4657BB #BB4691 #BBAA46 #46BB6F

split-complementary

#4657BB #BB6F46 #91BB46

monochromatic

#242D62 #35428F #4657BB #7380CB #A0A8DC

Accessibility & contrast

On white

6.29

#4657BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4657BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4657BB

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4657BB	#FFFFFF	#000000	##FFFFFF
##4657BB	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1665BE

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4657bb;
/* rgb */ color: rgb(70, 87, 187);
/* oklch */ color: oklch(49.9% 0.158 272.2);

Tailwind

colors: {
  custom: {
    50: '#8586d0',
    500: '#4657bb',
    950: '#000000',
  },
}

SCSS

$custom: #4657bb;
$custom-light: #8586d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4657bb",
  "rgb": {
    "r": 70,
    "g": 87,
    "b": 187
  },
  "hsl": {
    "h": 231.282,
    "s": 46.245,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49874,
    "c": 0.15758,
    "h": 272.2
  },
  "luminance": 0.11706
}

Semantic roles & 50–950 ramp

primary

#4657BB

secondary

#C8C194

accent

#C352D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4657BB

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

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