#051737#051737

#051737 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.067 H 260.2°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#051737
RGB	rgb(5, 23, 55)
HSL	hsl(218, 83%, 12%)
HSV	hsv(218, 91%, 22%)
CMYK	cmyk(90.9%, 58.2%, 0%, 78.4%)
CIE-LAB	lab(8.31, 6.85, -23.07)
CIE-LCH	lch(8.31, 24.06, 286.54°)
OKLab	oklab(21.18% -0.0114 -0.0664)
OKLCH	oklch(21.18% 0.067 260.2)
XYZ	xyz(1.0583, 0.9208, 3.7356)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051737 #372505

analogous

#053037 #051737 #0C0537

triadic

#051737 #370517 #173705

tetradic

#051737 #370530 #372505 #05370C

square

#051737 #370530 #372505 #05370C

split-complementary

#051737 #370C05 #303705

monochromatic

#030C1C #030C1C #051737 #0A2E6F #0F46A7

Accessibility & contrast

On white

17.73

#051737 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#051737 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051737

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051737	#FFFFFF	#000000	##FFFFFF
##051737	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#051B38

Deuteranopia (green-blind)

#001636

Tritanopia (blue-blind)

#001F24

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #051737;
/* rgb */ color: rgb(5, 23, 55);
/* oklch */ color: oklch(21.2% 0.067 260.2);

Tailwind

colors: {
  custom: {
    50: '#4e536e',
    500: '#051737',
    950: '#000000',
  },
}

SCSS

$custom: #051737;
$custom-light: #4e536e;
$custom-dark: #000000;

JSON

{
  "hex": "#051737",
  "rgb": {
    "r": 5,
    "g": 23,
    "b": 55
  },
  "hsl": {
    "h": 218.4,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21183,
    "c": 0.06735,
    "h": 260.2
  },
  "luminance": 0.00921
}

Semantic roles & 50–950 ramp

primary

#051737

secondary

#785820

accent

#B02EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #051737

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

Preview Lab → · Contrast checker → · Palette generator →