#31559E#31559E

#31559E is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.2% C 0.126 H 262.7°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#31559E
RGB	rgb(49, 85, 158)
HSL	hsl(220, 53%, 41%)
HSV	hsv(220, 69%, 62%)
CMYK	cmyk(69%, 46.2%, 0%, 38%)
CIE-LAB	lab(37.15, 12.23, -43.57)
CIE-LCH	lch(37.15, 45.25, 285.68°)
OKLab	oklab(46.22% -0.0159 -0.1246)
OKLCH	oklch(46.22% 0.126 262.7)
XYZ	xyz(10.6845, 9.6175, 33.6344)
Luminance	0.0962 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31559E #9E7A31

analogous

#318C9E #31559E #43319E

triadic

#31559E #9E3155 #559E31

tetradic

#31559E #9E318C #9E7A31 #319E43

square

#31559E #9E318C #9E7A31 #319E43

split-complementary

#31559E #9E4331 #8C9E31

monochromatic

#142341 #233C6F #31559E #4670C6 #7595D4

Accessibility & contrast

On white

7.18

#31559E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#31559E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31559E

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31559E	#FFFFFF	#000000	##FFFFFF
##31559E	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315DA1

Deuteranopia (green-blind)

#1C539D

Tritanopia (blue-blind)

#006672

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #31559e;
/* rgb */ color: rgb(49, 85, 158);
/* oklch */ color: oklch(46.2% 0.126 262.7);

Tailwind

colors: {
  custom: {
    50: '#7684bb',
    500: '#31559e',
    950: '#000000',
  },
}

SCSS

$custom: #31559e;
$custom-light: #7684bb;
$custom-dark: #000000;

JSON

{
  "hex": "#31559e",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 158
  },
  "hsl": {
    "h": 220.183,
    "s": 52.657,
    "l": 40.588
  },
  "oklch": {
    "l": 0.46223,
    "c": 0.12565,
    "h": 262.7
  },
  "luminance": 0.09619
}

Semantic roles & 50–950 ramp

primary

#31559E

secondary

#BCA36E

accent

#AC4CDC

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #31559E

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

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