#051F40#051F40

#051F40 is a very dark, moderate cyan. Relative luminance 0.014; OKLCH L 24.1% C 0.070 H 255.9°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#051F40
RGB	rgb(5, 31, 64)
HSL	hsl(214, 86%, 14%)
HSV	hsv(214, 92%, 25%)
CMYK	cmyk(92.2%, 51.6%, 0%, 74.9%)
CIE-LAB	lab(11.84, 4.79, -23.80)
CIE-LCH	lch(11.84, 24.28, 281.39°)
OKLab	oklab(24.13% -0.0171 -0.0683)
OKLCH	oklch(24.13% 0.07 255.9)
XYZ	xyz(1.4776, 1.3822, 5.0384)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051F40 #402605

analogous

#053C40 #051F40 #080540

triadic

#051F40 #40051F #1F4005

tetradic

#051F40 #40053C #402605 #054008

square

#051F40 #40053C #402605 #054008

split-complementary

#051F40 #400805 #3C4005

monochromatic

#020E1C #020E1C #051F40 #093A79 #0E56B2

Accessibility & contrast

On white

16.45

#051F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#051F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051F40

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051F40	#FFFFFF	#000000	##FFFFFF
##051F40	1.00	16.45	1.28	16.45
#FFFFFF	16.45	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2241

Deuteranopia (green-blind)

#021D3F

Tritanopia (blue-blind)

#00272C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #051f40;
/* rgb */ color: rgb(5, 31, 64);
/* oklch */ color: oklch(24.1% 0.070 255.9);

Tailwind

colors: {
  custom: {
    50: '#505a75',
    500: '#051f40',
    950: '#000000',
  },
}

SCSS

$custom: #051f40;
$custom-light: #505a75;
$custom-dark: #000000;

JSON

{
  "hex": "#051f40",
  "rgb": {
    "r": 5,
    "g": 31,
    "b": 64
  },
  "hsl": {
    "h": 213.559,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.24129,
    "c": 0.07046,
    "h": 255.9
  },
  "luminance": 0.01382
}

Semantic roles & 50–950 ramp

primary

#051F40

secondary

#815620

accent

#A02CFC

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #051F40

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

Preview Lab → · Contrast checker → · Palette generator →