#4031B8#4031B8

#4031B8 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.7% C 0.201 H 278.7°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#4031B8
RGB	rgb(64, 49, 184)
HSL	hsl(247, 58%, 46%)
HSV	hsv(247, 73%, 72%)
CMYK	cmyk(65.2%, 73.4%, 0%, 27.8%)
CIE-LAB	lab(31.22, 46.32, -68.67)
CIE-LCH	lch(31.22, 82.83, 304.00°)
OKLab	oklab(42.72% 0.0302 -0.1982)
OKLCH	oklch(42.72% 0.201 278.7)
XYZ	xyz(11.8616, 6.7463, 46.0152)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4031B8 #A9B831

analogous

#3165B8 #4031B8 #8331B8

triadic

#4031B8 #B84031 #31B840

tetradic

#4031B8 #B83165 #A9B831 #31B883

square

#4031B8 #B83165 #A9B831 #31B883

split-complementary

#4031B8 #B88331 #65B831

monochromatic

#1E1757 #2F2488 #4031B8 #6255D2 #8F85DE

Accessibility & contrast

On white

8.94

#4031B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#4031B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4031B8

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4031B8	#FFFFFF	#000000	##FFFFFF
##4031B8	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBC

Deuteranopia (green-blind)

#0044B6

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4031b8;
/* rgb */ color: rgb(64, 49, 184);
/* oklch */ color: oklch(42.7% 0.201 278.7);

Tailwind

colors: {
  custom: {
    50: '#846bcf',
    500: '#4031b8',
    950: '#000000',
  },
}

SCSS

$custom: #4031b8;
$custom-light: #846bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4031b8",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 184
  },
  "hsl": {
    "h": 246.667,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.42717,
    "c": 0.20054,
    "h": 278.7
  },
  "luminance": 0.06747
}

Semantic roles & 50–950 ramp

primary

#4031B8

secondary

#C0C87D

accent

#E147D0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4031B8

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

Preview Lab → · Contrast checker → · Palette generator →