#03343F#03343F

#03343F is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.1% C 0.052 H 217.5°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#03343F
RGB	rgb(3, 52, 63)
HSL	hsl(191, 91%, 13%)
HSV	hsv(191, 95%, 25%)
CMYK	cmyk(95.2%, 17.5%, 0%, 75.3%)
CIE-LAB	lab(19.37, -10.76, -11.28)
CIE-LCH	lch(19.37, 15.59, 226.35°)
OKLab	oklab(30.05% -0.0411 -0.0316)
OKLCH	oklch(30.05% 0.052 217.5)
XYZ	xyz(2.1624, 2.8339, 5.1347)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03343F #3F0E03

analogous

#033F2C #03343F #03163F

triadic

#03343F #3F0334 #343F03

tetradic

#03343F #2C033F #3F0E03 #163F03

square

#03343F #2C033F #3F0E03 #163F03

split-complementary

#03343F #3F0316 #3F2C03

monochromatic

#01181D #01181D #03343F #066479 #0994B4

Accessibility & contrast

On white

13.40

#03343F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#03343F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03343F

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03343F	#FFFFFF	#000000	##FFFFFF
##03343F	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3240

Deuteranopia (green-blind)

#252C3F

Tritanopia (blue-blind)

#003837

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #03343f;
/* rgb */ color: rgb(3, 52, 63);
/* oklch */ color: oklch(30.1% 0.052 217.5);

Tailwind

colors: {
  custom: {
    50: '#516b74',
    500: '#03343f',
    950: '#000000',
  },
}

SCSS

$custom: #03343f;
$custom-light: #516b74;
$custom-dark: #000000;

JSON

{
  "hex": "#03343f",
  "rgb": {
    "r": 3,
    "g": 52,
    "b": 63
  },
  "hsl": {
    "h": 191,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.30054,
    "c": 0.05187,
    "h": 217.5
  },
  "luminance": 0.02834
}

Semantic roles & 50–950 ramp

primary

#03343F

secondary

#812F1D

accent

#5029FF

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020608

muted

#787A7B

Preview Lab

Preview with #03343F

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

Preview Lab → · Contrast checker → · Palette generator →