#051739#051739

#051739 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.4% C 0.071 H 261.0°. Best body text is #FFFFFF at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#051739
RGB	rgb(5, 23, 57)
HSL	hsl(219, 84%, 12%)
HSV	hsv(219, 91%, 22%)
CMYK	cmyk(91.2%, 59.6%, 0%, 77.6%)
CIE-LAB	lab(8.48, 7.81, -24.23)
CIE-LCH	lch(8.48, 25.46, 287.86°)
OKLab	oklab(21.37% -0.0111 -0.0698)
OKLCH	oklch(21.37% 0.071 261)
XYZ	xyz(1.1072, 0.9403, 3.9932)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051739 #392705

analogous

#053139 #051739 #0D0539

triadic

#051739 #390517 #173905

tetradic

#051739 #390531 #392705 #05390D

square

#051739 #390531 #392705 #05390D

split-complementary

#051739 #390D05 #313905

monochromatic

#020B1C #020B1C #051739 #0A2E71 #0F44AA

Accessibility & contrast

On white

17.68

#051739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#051739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051739

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051739	#FFFFFF	#000000	##FFFFFF
##051739	1.00	17.68	1.19	17.68
#FFFFFF	17.68	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#031B3A

Deuteranopia (green-blind)

#001638

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #051739;
/* rgb */ color: rgb(5, 23, 57);
/* oklch */ color: oklch(21.4% 0.071 261.0);

Tailwind

colors: {
  custom: {
    50: '#4f5370',
    500: '#051739',
    950: '#000000',
  },
}

SCSS

$custom: #051739;
$custom-light: #4f5370;
$custom-dark: #000000;

JSON

{
  "hex": "#051739",
  "rgb": {
    "r": 5,
    "g": 23,
    "b": 57
  },
  "hsl": {
    "h": 219.231,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21368,
    "c": 0.07068,
    "h": 261
  },
  "luminance": 0.0094
}

Semantic roles & 50–950 ramp

primary

#051739

secondary

#7A5B20

accent

#B32EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #051739

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

Preview Lab → · Contrast checker → · Palette generator →