#051F39#051F39

#051F39 is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.6% C 0.059 H 251.3°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#051F39
RGB	rgb(5, 31, 57)
HSL	hsl(210, 84%, 12%)
HSV	hsv(210, 91%, 22%)
CMYK	cmyk(91.2%, 45.6%, 0%, 77.6%)
CIE-LAB	lab(11.33, 1.50, -19.67)
CIE-LCH	lch(11.33, 19.73, 274.36°)
OKLab	oklab(23.57% -0.019 -0.0562)
OKLCH	oklch(23.57% 0.059 251.3)
XYZ	xyz(1.2908, 1.3075, 4.0544)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051F39 #391F05

analogous

#053939 #051F39 #050539

triadic

#051F39 #39051F #1F3905

tetradic

#051F39 #390539 #391F05 #053905

square

#051F39 #390539 #391F05 #053905

split-complementary

#051F39 #390505 #393905

monochromatic

#020F1C #020F1C #051F39 #0A3E71 #0F5CAA

Accessibility & contrast

On white

16.65

#051F39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#051F39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051F39

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051F39	#FFFFFF	#000000	##FFFFFF
##051F39	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12213A

Deuteranopia (green-blind)

#0A1C38

Tritanopia (blue-blind)

#002529

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #051f39;
/* rgb */ color: rgb(5, 31, 57);
/* oklch */ color: oklch(23.6% 0.059 251.3);

Tailwind

colors: {
  custom: {
    50: '#4e5a6f',
    500: '#051f39',
    950: '#000000',
  },
}

SCSS

$custom: #051f39;
$custom-light: #4e5a6f;
$custom-dark: #000000;

JSON

{
  "hex": "#051f39",
  "rgb": {
    "r": 5,
    "g": 31,
    "b": 57
  },
  "hsl": {
    "h": 210,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.23567,
    "c": 0.05931,
    "h": 251.3
  },
  "luminance": 0.01308
}

Semantic roles & 50–950 ramp

primary

#051F39

secondary

#7A4D20

accent

#942EFA

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #051F39

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

Preview Lab → · Contrast checker → · Palette generator →