#31528E#31528E

#31528E is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.5% C 0.106 H 261.4°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#31528E
RGB	rgb(49, 82, 142)
HSL	hsl(219, 49%, 37%)
HSV	hsv(219, 65%, 56%)
CMYK	cmyk(65.5%, 42.3%, 0%, 44.3%)
CIE-LAB	lab(35.28, 8.24, -36.88)
CIE-LCH	lch(35.28, 37.79, 282.59°)
OKLab	oklab(44.47% -0.0159 -0.105)
OKLCH	oklch(44.47% 0.106 261.4)
XYZ	xyz(9.1647, 8.6397, 26.7706)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31528E #8E6D31

analogous

#31808E #31528E #3F318E

triadic

#31528E #8E3152 #528E31

tetradic

#31528E #8E3180 #8E6D31 #318E3F

square

#31528E #8E3180 #8E6D31 #318E3F

split-complementary

#31528E #8E3F31 #808E31

monochromatic

#121D33 #213861 #31528E #416CBB #6D8FCD

Accessibility & contrast

On white

7.70

#31528E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#31528E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31528E

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31528E	#FFFFFF	#000000	##FFFFFF
##31528E	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375890

Deuteranopia (green-blind)

#294F8D

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #31528e;
/* rgb */ color: rgb(49, 82, 142);
/* oklch */ color: oklch(44.5% 0.106 261.4);

Tailwind

colors: {
  custom: {
    50: '#7382af',
    500: '#31528e',
    950: '#000000',
  },
}

SCSS

$custom: #31528e;
$custom-light: #7382af;
$custom-dark: #000000;

JSON

{
  "hex": "#31528e",
  "rgb": {
    "r": 49,
    "g": 82,
    "b": 142
  },
  "hsl": {
    "h": 218.71,
    "s": 48.691,
    "l": 37.451
  },
  "oklch": {
    "l": 0.44467,
    "c": 0.10625,
    "h": 261.4
  },
  "luminance": 0.08641
}

Semantic roles & 50–950 ramp

primary

#31528E

secondary

#B49967

accent

#A850D8

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #31528E

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

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