#4657AB#4657AB

#4657AB is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.135 H 271.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4657AB
RGB	rgb(70, 87, 171)
HSL	hsl(230, 42%, 47%)
HSV	hsv(230, 59%, 67%)
CMYK	cmyk(59.1%, 49.1%, 0%, 32.9%)
CIE-LAB	lab(39.68, 19.48, -47.19)
CIE-LCH	lch(39.68, 51.05, 292.43°)
OKLab	oklab(48.73% 0.0045 -0.1348)
OKLCH	oklch(48.73% 0.135 271.9)
XYZ	xyz(13.2822, 11.0577, 39.9546)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4657AB #AB9A46

analogous

#468AAB #4657AB #6846AB

triadic

#4657AB #AB4657 #57AB46

tetradic

#4657AB #AB468A #AB9A46 #46AB68

square

#4657AB #AB468A #AB9A46 #46AB68

split-complementary

#4657AB #AB6846 #8AAB46

monochromatic

#222B54 #344180 #4657AB #6C7AC3 #97A1D4

Accessibility & contrast

On white

6.54

#4657AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4657AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4657AB

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4657AB	#FFFFFF	#000000	##FFFFFF
##4657AB	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D62AE

Deuteranopia (green-blind)

#1C59A9

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4657ab;
/* rgb */ color: rgb(70, 87, 171);
/* oklch */ color: oklch(48.7% 0.135 271.9);

Tailwind

colors: {
  custom: {
    50: '#8286c4',
    500: '#4657ab',
    950: '#000000',
  },
}

SCSS

$custom: #4657ab;
$custom-light: #8286c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4657ab",
  "rgb": {
    "r": 70,
    "g": 87,
    "b": 171
  },
  "hsl": {
    "h": 229.901,
    "s": 41.909,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48728,
    "c": 0.13491,
    "h": 271.9
  },
  "luminance": 0.11059
}

Semantic roles & 50–950 ramp

primary

#4657AB

secondary

#C0B88C

accent

#BD56D2

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4657AB

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

Preview Lab → · Contrast checker → · Palette generator →