#33639B#33639B

#33639B is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.3% C 0.104 H 253.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#33639B
RGB	rgb(51, 99, 155)
HSL	hsl(212, 50%, 40%)
HSV	hsv(212, 67%, 61%)
CMYK	cmyk(67.1%, 36.1%, 0%, 39.2%)
CIE-LAB	lab(41.20, 2.44, -35.31)
CIE-LCH	lch(41.20, 35.39, 273.96°)
OKLab	oklab(49.34% -0.0293 -0.1002)
OKLCH	oklch(49.34% 0.104 253.7)
XYZ	xyz(11.7413, 11.9929, 32.7001)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33639B #9B6B33

analogous

#33979B #33639B #37339B

triadic

#33639B #9B3363 #639B33

tetradic

#33639B #9B3397 #9B6B33 #339B37

square

#33639B #9B3397 #9B6B33 #339B37

split-complementary

#33639B #9B3733 #979B33

monochromatic

#15283F #24466D #33639B #4881C3 #76A1D2

Accessibility & contrast

On white

6.18

#33639B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#33639B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #33639B

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33639B	#FFFFFF	#000000	##FFFFFF
##33639B	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A679D

Deuteranopia (green-blind)

#3C5D9A

Tritanopia (blue-blind)

#007077

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #33639b;
/* rgb */ color: rgb(51, 99, 155);
/* oklch */ color: oklch(49.3% 0.104 253.7);

Tailwind

colors: {
  custom: {
    50: '#768fb9',
    500: '#33639b',
    950: '#000000',
  },
}

SCSS

$custom: #33639b;
$custom-light: #768fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#33639b",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 212.308,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49336,
    "c": 0.10437,
    "h": 253.7
  },
  "luminance": 0.11994
}

Semantic roles & 50–950 ramp

primary

#33639B

secondary

#BA986F

accent

#994EDA

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #33639B

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

Preview Lab → · Contrast checker → · Palette generator →