#31477B#31477B

#31477B is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.7% C 0.092 H 265.3°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#31477B
RGB	rgb(49, 71, 123)
HSL	hsl(222, 43%, 34%)
HSV	hsv(222, 60%, 48%)
CMYK	cmyk(60.2%, 42.3%, 0%, 51.8%)
CIE-LAB	lab(30.85, 8.57, -32.21)
CIE-LCH	lch(30.85, 33.33, 284.89°)
OKLab	oklab(40.68% -0.0076 -0.0915)
OKLCH	oklch(40.68% 0.092 265.3)
XYZ	xyz(7.0938, 6.5889, 19.6330)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31477B #7B6531

analogous

#316C7B #31477B #40317B

triadic

#31477B #7B3147 #477B31

tetradic

#31477B #7B316C #7B6531 #317B40

square

#31477B #7B316C #7B6531 #317B40

split-complementary

#31477B #7B4031 #6C7B31

monochromatic

#0E1423 #202E4F #31477B #4260A7 #6580C2

Accessibility & contrast

On white

9.06

#31477B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#31477B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31477B

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31477B	#FFFFFF	#000000	##FFFFFF
##31477B	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314C7D

Deuteranopia (green-blind)

#27457A

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #31477b;
/* rgb */ color: rgb(49, 71, 123);
/* oklch */ color: oklch(40.7% 0.092 265.3);

Tailwind

colors: {
  custom: {
    50: '#7079a1',
    500: '#31477b',
    950: '#000000',
  },
}

SCSS

$custom: #31477b;
$custom-light: #7079a1;
$custom-dark: #000000;

JSON

{
  "hex": "#31477b",
  "rgb": {
    "r": 49,
    "g": 71,
    "b": 123
  },
  "hsl": {
    "h": 222.162,
    "s": 43.023,
    "l": 33.725
  },
  "oklch": {
    "l": 0.4068,
    "c": 0.09181,
    "h": 265.3
  },
  "luminance": 0.0659
}

Semantic roles & 50–950 ramp

primary

#31477B

secondary

#A9935F

accent

#AD55D3

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#08090F

muted

#7B7B7E

Preview Lab

Preview with #31477B

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

Preview Lab → · Contrast checker → · Palette generator →