#03404E#03404E

#03404E is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.4% C 0.061 H 218.8°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#03404E
RGB	rgb(3, 64, 78)
HSL	hsl(191, 93%, 16%)
HSV	hsv(191, 96%, 31%)
CMYK	cmyk(96.2%, 17.9%, 0%, 69.4%)
CIE-LAB	lab(24.44, -12.08, -13.53)
CIE-LCH	lch(24.44, 18.14, 228.24°)
OKLab	oklab(34.37% -0.0472 -0.0379)
OKLCH	oklch(34.37% 0.061 218.8)
XYZ	xyz(3.2455, 4.2358, 7.8528)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03404E #4E1103

analogous

#034E36 #03404E #031A4E

triadic

#03404E #4E0340 #404E03

tetradic

#03404E #36034E #4E1103 #1A4E03

square

#03404E #36034E #4E1103 #1A4E03

split-complementary

#03404E #4E031A #4E3603

monochromatic

#01181D #01181D #03404E #057089 #08A1C4

Accessibility & contrast

On white

11.37

#03404E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#03404E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03404E

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03404E	#FFFFFF	#000000	##FFFFFF
##03404E	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#2E374E

Tritanopia (blue-blind)

#004544

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #03404e;
/* rgb */ color: rgb(3, 64, 78);
/* oklch */ color: oklch(34.4% 0.061 218.8);

Tailwind

colors: {
  custom: {
    50: '#55757f',
    500: '#03404e',
    950: '#000000',
  },
}

SCSS

$custom: #03404e;
$custom-light: #55757f;
$custom-dark: #000000;

JSON

{
  "hex": "#03404e",
  "rgb": {
    "r": 3,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 191.2,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.34368,
    "c": 0.06054,
    "h": 218.8
  },
  "luminance": 0.04236
}

Semantic roles & 50–950 ramp

primary

#03404E

secondary

#8E331E

accent

#5129FF

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#03080A

muted

#787B7C

Preview Lab

Preview with #03404E

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

Preview Lab → · Contrast checker → · Palette generator →