#051F3F#051F3F

#051F3F is a very dark, moderate cyan. Relative luminance 0.014; OKLCH L 24.0% C 0.069 H 255.4°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#051F3F
RGB	rgb(5, 31, 63)
HSL	hsl(213, 85%, 13%)
HSV	hsv(213, 92%, 25%)
CMYK	cmyk(92.1%, 50.8%, 0%, 75.3%)
CIE-LAB	lab(11.76, 4.32, -23.22)
CIE-LCH	lch(11.76, 23.62, 280.55°)
OKLab	oklab(24.05% -0.0174 -0.0666)
OKLCH	oklch(24.05% 0.069 255.4)
XYZ	xyz(1.4494, 1.3709, 4.8899)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051F3F #3F2505

analogous

#053C3F #051F3F #08053F

triadic

#051F3F #3F051F #1F3F05

tetradic

#051F3F #3F053C #3F2505 #053F08

square

#051F3F #3F053C #3F2505 #053F08

split-complementary

#051F3F #3F0805 #3C3F05

monochromatic

#020E1C #020E1C #051F3F #093B78 #0E57B0

Accessibility & contrast

On white

16.48

#051F3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#051F3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051F3F

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051F3F	#FFFFFF	#000000	##FFFFFF
##051F3F	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2240

Deuteranopia (green-blind)

#031D3E

Tritanopia (blue-blind)

#00272B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #051f3f;
/* rgb */ color: rgb(5, 31, 63);
/* oklch */ color: oklch(24.0% 0.069 255.4);

Tailwind

colors: {
  custom: {
    50: '#505a74',
    500: '#051f3f',
    950: '#000000',
  },
}

SCSS

$custom: #051f3f;
$custom-light: #505a74;
$custom-dark: #000000;

JSON

{
  "hex": "#051f3f",
  "rgb": {
    "r": 5,
    "g": 31,
    "b": 63
  },
  "hsl": {
    "h": 213.103,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24046,
    "c": 0.06886,
    "h": 255.4
  },
  "luminance": 0.01371
}

Semantic roles & 50–950 ramp

primary

#051F3F

secondary

#805520

accent

#9F2CFC

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #051F3F

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

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