#033D4E#033D4E

#033D4E is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.5% C 0.061 H 224.2°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#033D4E
RGB	rgb(3, 61, 78)
HSL	hsl(194, 93%, 16%)
HSV	hsv(194, 96%, 31%)
CMYK	cmyk(96.2%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(23.36, -10.23, -15.19)
CIE-LCH	lch(23.36, 18.32, 236.04°)
OKLab	oklab(33.5% -0.044 -0.0427)
OKLCH	oklch(33.5% 0.061 224.2)
XYZ	xyz(3.0809, 3.9065, 7.7979)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#033D4E #4E1403

analogous

#034E39 #033D4E #03174E

triadic

#033D4E #4E033D #3D4E03

tetradic

#033D4E #39034E #4E1403 #174E03

square

#033D4E #39034E #4E1403 #174E03

split-complementary

#033D4E #4E0317 #4E3903

monochromatic

#01171D #01171D #033D4E #056B89 #0899C4

Accessibility & contrast

On white

11.79

#033D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#033D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #033D4E

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##033D4E	#FFFFFF	#000000	##FFFFFF
##033D4E	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4F

Deuteranopia (green-blind)

#2A354E

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #033d4e;
/* rgb */ color: rgb(3, 61, 78);
/* oklch */ color: oklch(33.5% 0.061 224.2);

Tailwind

colors: {
  custom: {
    50: '#55727f',
    500: '#033d4e',
    950: '#000000',
  },
}

SCSS

$custom: #033d4e;
$custom-light: #55727f;
$custom-dark: #000000;

JSON

{
  "hex": "#033d4e",
  "rgb": {
    "r": 3,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 193.6,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33502,
    "c": 0.06132,
    "h": 224.2
  },
  "luminance": 0.03907
}

Semantic roles & 50–950 ramp

primary

#033D4E

secondary

#8E381E

accent

#5929FF

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#03080A

muted

#787B7C

Preview Lab

Preview with #033D4E

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

Preview Lab → · Contrast checker → · Palette generator →