#4050AB#4050AB

#4050AB is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.9% C 0.146 H 272.1°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#4050AB
RGB	rgb(64, 80, 171)
HSL	hsl(231, 46%, 46%)
HSV	hsv(231, 63%, 67%)
CMYK	cmyk(62.6%, 53.2%, 0%, 32.9%)
CIE-LAB	lab(37.42, 22.86, -50.84)
CIE-LCH	lch(37.42, 55.75, 294.21°)
OKLab	oklab(46.92% 0.0053 -0.1458)
OKLCH	oklch(46.92% 0.146 272.1)
XYZ	xyz(12.3313, 9.7666, 39.7555)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050AB #AB9B40

analogous

#4085AB #4050AB #6540AB

triadic

#4050AB #AB4050 #50AB40

tetradic

#4050AB #AB4085 #AB9B40 #40AB65

square

#4050AB #AB4085 #AB9B40 #40AB65

split-complementary

#4050AB #AB6540 #85AB40

monochromatic

#1F2652 #2F3B7E #4050AB #6372C5 #909AD5

Accessibility & contrast

On white

7.11

#4050AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4050AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4050AB

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050AB	#FFFFFF	#000000	##FFFFFF
##4050AB	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175DAE

Deuteranopia (green-blind)

#0054A9

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4050ab;
/* rgb */ color: rgb(64, 80, 171);
/* oklch */ color: oklch(46.9% 0.146 272.1);

Tailwind

colors: {
  custom: {
    50: '#8080c5',
    500: '#4050ab',
    950: '#000000',
  },
}

SCSS

$custom: #4050ab;
$custom-light: #8080c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4050ab",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 171
  },
  "hsl": {
    "h": 231.028,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46924,
    "c": 0.1459,
    "h": 272.1
  },
  "luminance": 0.09768
}

Semantic roles & 50–950 ramp

primary

#4050AB

secondary

#C1B886

accent

#C253D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4050AB

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

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