#031747#031747

#031747 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.7% C 0.094 H 262.6°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#031747
RGB	rgb(3, 23, 71)
HSL	hsl(222, 92%, 15%)
HSV	hsv(222, 96%, 28%)
CMYK	cmyk(95.8%, 67.6%, 0%, 72.2%)
CIE-LAB	lab(9.70, 14.13, -32.19)
CIE-LCH	lch(9.70, 35.15, 293.69°)
OKLab	oklab(22.67% -0.0121 -0.0932)
OKLCH	oklch(22.67% 0.094 262.6)
XYZ	xyz(1.4809, 1.0869, 6.0918)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#031747 #473303

analogous

#033947 #031747 #110347

triadic

#031747 #470317 #174703

tetradic

#031747 #470339 #473303 #034711

square

#031747 #470339 #473303 #034711

split-complementary

#031747 #471103 #394703

monochromatic

#010A1D #010A1D #031747 #052A82 #083DBC

Accessibility & contrast

On white

17.25

#031747 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#031747 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #031747

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##031747	#FFFFFF	#000000	##FFFFFF
##031747	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E49

Deuteranopia (green-blind)

#001846

Tritanopia (blue-blind)

#00232C

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #031747;
/* rgb */ color: rgb(3, 23, 71);
/* oklch */ color: oklch(22.7% 0.094 262.6);

Tailwind

colors: {
  custom: {
    50: '#53537b',
    500: '#031747',
    950: '#000000',
  },
}

SCSS

$custom: #031747;
$custom-light: #53537b;
$custom-dark: #000000;

JSON

{
  "hex": "#031747",
  "rgb": {
    "r": 3,
    "g": 23,
    "b": 71
  },
  "hsl": {
    "h": 222.353,
    "s": 91.892,
    "l": 14.51
  },
  "oklch": {
    "l": 0.22665,
    "c": 0.094,
    "h": 262.6
  },
  "luminance": 0.01087
}

Semantic roles & 50–950 ramp

primary

#031747

secondary

#88691E

accent

#C029FF

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#030209

muted

#78787B

Preview Lab

Preview with #031747

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

Preview Lab → · Contrast checker → · Palette generator →