#37669F#37669F

#37669F is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.5% C 0.105 H 254.4°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#37669F
RGB	rgb(55, 102, 159)
HSL	hsl(213, 49%, 42%)
HSV	hsv(213, 65%, 62%)
CMYK	cmyk(65.4%, 35.8%, 0%, 37.6%)
CIE-LAB	lab(42.49, 2.73, -35.65)
CIE-LCH	lch(42.49, 35.75, 274.39°)
OKLab	oklab(50.45% -0.0282 -0.1011)
OKLCH	oklch(50.45% 0.105 254.4)
XYZ	xyz(12.5827, 12.8169, 34.6050)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37669F #9F7037

analogous

#379A9F #37669F #3C379F

triadic

#37669F #9F3766 #669F37

tetradic

#37669F #9F379A #9F7037 #379F3C

square

#37669F #9F379A #9F7037 #379F3C

split-complementary

#37669F #9F3C37 #9A9F37

monochromatic

#182C44 #274972 #37669F #5184C3 #7EA4D2

Accessibility & contrast

On white

5.89

#37669F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#37669F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37669F

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37669F	#FFFFFF	#000000	##FFFFFF
##37669F	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D6AA1

Deuteranopia (green-blind)

#3F609E

Tritanopia (blue-blind)

#00737B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #37669f;
/* rgb */ color: rgb(55, 102, 159);
/* oklch */ color: oklch(50.5% 0.105 254.4);

Tailwind

colors: {
  custom: {
    50: '#7891bb',
    500: '#37669f',
    950: '#000000',
  },
}

SCSS

$custom: #37669f;
$custom-light: #7891bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37669f",
  "rgb": {
    "r": 55,
    "g": 102,
    "b": 159
  },
  "hsl": {
    "h": 212.885,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50454,
    "c": 0.10495,
    "h": 254.4
  },
  "luminance": 0.12818
}

Semantic roles & 50–950 ramp

primary

#37669F

secondary

#BC9C76

accent

#9A50D8

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #37669F

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

Preview Lab → · Contrast checker → · Palette generator →