#033F4E#033F4E

#033F4E is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.061 H 220.6°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#033F4E
RGB	rgb(3, 63, 78)
HSL	hsl(192, 93%, 16%)
HSV	hsv(192, 96%, 31%)
CMYK	cmyk(96.2%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(24.08, -11.47, -14.09)
CIE-LCH	lch(24.08, 18.17, 230.84°)
OKLab	oklab(34.08% -0.0461 -0.0395)
OKLCH	oklch(34.08% 0.061 220.6)
XYZ	xyz(3.1896, 4.1240, 7.8342)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#033F4E #4E1203

analogous

#034E37 #033F4E #03194E

triadic

#033F4E #4E033F #3F4E03

tetradic

#033F4E #37034E #4E1203 #194E03

square

#033F4E #37034E #4E1203 #194E03

split-complementary

#033F4E #4E0319 #4E3703

monochromatic

#01181D #01181D #033F4E #056F89 #089EC4

Accessibility & contrast

On white

11.51

#033F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#033F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #033F4E

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##033F4E	#FFFFFF	#000000	##FFFFFF
##033F4E	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4F

Deuteranopia (green-blind)

#2D364E

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #033f4e;
/* rgb */ color: rgb(3, 63, 78);
/* oklch */ color: oklch(34.1% 0.061 220.6);

Tailwind

colors: {
  custom: {
    50: '#55747f',
    500: '#033f4e',
    950: '#000000',
  },
}

SCSS

$custom: #033f4e;
$custom-light: #55747f;
$custom-dark: #000000;

JSON

{
  "hex": "#033f4e",
  "rgb": {
    "r": 3,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 192,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.34079,
    "c": 0.06074,
    "h": 220.6
  },
  "luminance": 0.04124
}

Semantic roles & 50–950 ramp

primary

#033F4E

secondary

#8E351E

accent

#5429FF

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#03080A

muted

#787B7C

Preview Lab

Preview with #033F4E

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

Preview Lab → · Contrast checker → · Palette generator →