#4659CB#4659CB

#4659CB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.177 H 271.6°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4659CB
RGB	rgb(70, 89, 203)
HSL	hsl(231, 56%, 54%)
HSV	hsv(231, 66%, 80%)
CMYK	cmyk(65.5%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(42.40, 29.31, -61.50)
CIE-LCH	lch(42.40, 68.13, 295.48°)
OKLab	oklab(51.47% 0.0049 -0.1769)
OKLCH	oklch(51.47% 0.177 271.6)
XYZ	xyz(16.8740, 12.7571, 58.0615)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4659CB #CBB846

analogous

#469BCB #4659CB #7546CB

triadic

#4659CB #CB4659 #59CB46

tetradic

#4659CB #CB469B #CBB846 #46CB75

square

#4659CB #CB469B #CBB846 #46CB75

split-complementary

#4659CB #CB7546 #9BCB46

monochromatic

#212D76 #2E3FA5 #4659CB #7684D8 #A6AFE6

Accessibility & contrast

On white

5.91

#4659CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4659CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4659CB

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4659CB	#FFFFFF	#000000	##FFFFFF
##4659CB	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4659cb;
/* rgb */ color: rgb(70, 89, 203);
/* oklch */ color: oklch(51.5% 0.177 271.6);

Tailwind

colors: {
  custom: {
    50: '#8887dc',
    500: '#4659cb',
    950: '#000000',
  },
}

SCSS

$custom: #4659cb;
$custom-light: #8887dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4659cb",
  "rgb": {
    "r": 70,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 231.429,
    "s": 56.118,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51472,
    "c": 0.17698,
    "h": 271.6
  },
  "luminance": 0.12759
}

Semantic roles & 50–950 ramp

primary

#4659CB

secondary

#D3CB9A

accent

#CA48DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4659CB

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

Preview Lab → · Contrast checker → · Palette generator →