#33739B#33739B

#33739B is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.2% C 0.091 H 239.1°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#33739B
RGB	rgb(51, 115, 155)
HSL	hsl(203, 50%, 40%)
HSV	hsv(203, 67%, 61%)
CMYK	cmyk(67.1%, 25.8%, 0%, 39.2%)
CIE-LAB	lab(46.08, -7.30, -27.65)
CIE-LCH	lch(46.08, 28.60, 255.20°)
OKLab	oklab(53.18% -0.0465 -0.0778)
OKLCH	oklch(53.18% 0.091 239.1)
XYZ	xyz(13.4101, 15.3304, 33.2563)
Luminance	0.1533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33739B #9B5B33

analogous

#339B8F #33739B #333F9B

triadic

#33739B #9B3373 #739B33

tetradic

#33739B #8F339B #9B5B33 #3F9B33

square

#33739B #8F339B #9B5B33 #3F9B33

split-complementary

#33739B #9B333F #9B8F33

monochromatic

#152F3F #24516D #33739B #4894C3 #76AFD2

Accessibility & contrast

On white

5.16

#33739B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#33739B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #33739B

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33739B	#FFFFFF	#000000	##FFFFFF
##33739B	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61739D

Deuteranopia (green-blind)

#52699A

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #33739b;
/* rgb */ color: rgb(51, 115, 155);
/* oklch */ color: oklch(53.2% 0.091 239.1);

Tailwind

colors: {
  custom: {
    50: '#769bb8',
    500: '#33739b',
    950: '#000000',
  },
}

SCSS

$custom: #33739b;
$custom-light: #769bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#33739b",
  "rgb": {
    "r": 51,
    "g": 115,
    "b": 155
  },
  "hsl": {
    "h": 203.077,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.53179,
    "c": 0.09058,
    "h": 239.1
  },
  "luminance": 0.15332
}

Semantic roles & 50–950 ramp

primary

#33739B

secondary

#BA8C6F

accent

#844EDA

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #33739B

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

Preview Lab → · Contrast checker → · Palette generator →