#33638B#33638B

#33638B is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.4% C 0.083 H 245.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#33638B
RGB	rgb(51, 99, 139)
HSL	hsl(207, 46%, 37%)
HSV	hsv(207, 63%, 55%)
CMYK	cmyk(63.3%, 28.8%, 0%, 45.5%)
CIE-LAB	lab(40.39, -3.28, -26.98)
CIE-LCH	lch(40.39, 27.18, 263.07°)
OKLab	oklab(48.44% -0.0341 -0.076)
OKLCH	oklch(48.44% 0.083 245.8)
XYZ	xyz(10.4856, 11.4906, 26.0864)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33638B #8B5B33

analogous

#338B87 #33638B #33378B

triadic

#33638B #8B3363 #638B33

tetradic

#33638B #87338B #8B5B33 #378B33

square

#33638B #87338B #8B5B33 #378B33

split-complementary

#33638B #8B3337 #8B8733

monochromatic

#122331 #23435E #33638B #4383B8 #6EA0CA

Accessibility & contrast

On white

6.37

#33638B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#33638B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #33638B

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33638B	#FFFFFF	#000000	##FFFFFF
##33638B	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52648D

Deuteranopia (green-blind)

#465B8A

Tritanopia (blue-blind)

#006D71

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #33638b;
/* rgb */ color: rgb(51, 99, 139);
/* oklch */ color: oklch(48.4% 0.083 245.8);

Tailwind

colors: {
  custom: {
    50: '#738fad',
    500: '#33638b',
    950: '#000000',
  },
}

SCSS

$custom: #33638b;
$custom-light: #738fad;
$custom-dark: #000000;

JSON

{
  "hex": "#33638b",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 139
  },
  "hsl": {
    "h": 207.273,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48435,
    "c": 0.08327,
    "h": 245.8
  },
  "luminance": 0.11492
}

Semantic roles & 50–950 ramp

primary

#33638B

secondary

#B28A68

accent

#8E52D6

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #33638B

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

Preview Lab → · Contrast checker → · Palette generator →