#4050A5#4050A5

#4050A5 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.137 H 272.0°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#4050A5
RGB	rgb(64, 80, 165)
HSL	hsl(230, 44%, 45%)
HSV	hsv(230, 61%, 65%)
CMYK	cmyk(61.2%, 51.5%, 0%, 35.3%)
CIE-LAB	lab(37.01, 20.75, -47.93)
CIE-LCH	lch(37.01, 52.23, 293.41°)
OKLab	oklab(46.48% 0.0048 -0.1372)
OKLCH	oklch(46.48% 0.137 272)
XYZ	xyz(11.7723, 9.5430, 36.8116)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050A5 #A59540

analogous

#4083A5 #4050A5 #6240A5

triadic

#4050A5 #A54050 #50A540

tetradic

#4050A5 #A54083 #A59540 #40A562

square

#4050A5 #A54083 #A59540 #40A562

split-complementary

#4050A5 #A56240 #83A540

monochromatic

#1E254D #2F3B79 #4050A5 #6170C2 #8D98D3

Accessibility & contrast

On white

7.22

#4050A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4050A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4050A5

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050A5	#FFFFFF	#000000	##FFFFFF
##4050A5	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215CA8

Deuteranopia (green-blind)

#0753A3

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4050a5;
/* rgb */ color: rgb(64, 80, 165);
/* oklch */ color: oklch(46.5% 0.137 272.0);

Tailwind

colors: {
  custom: {
    50: '#7e80c0',
    500: '#4050a5',
    950: '#000000',
  },
}

SCSS

$custom: #4050a5;
$custom-light: #7e80c0;
$custom-dark: #000000;

JSON

{
  "hex": "#4050a5",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 165
  },
  "hsl": {
    "h": 230.495,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46483,
    "c": 0.13732,
    "h": 272
  },
  "luminance": 0.09544
}

Semantic roles & 50–950 ramp

primary

#4050A5

secondary

#BEB483

accent

#C054D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #4050A5

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

Preview Lab → · Contrast checker → · Palette generator →