#37738F#37738F

#37738F is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.8% C 0.076 H 230.8°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#37738F
RGB	rgb(55, 115, 143)
HSL	hsl(199, 44%, 39%)
HSV	hsv(199, 62%, 56%)
CMYK	cmyk(61.5%, 19.6%, 0%, 43.9%)
CIE-LAB	lab(45.71, -10.63, -21.12)
CIE-LCH	lch(45.71, 23.64, 243.29°)
OKLab	oklab(52.75% -0.0481 -0.059)
OKLCH	oklch(52.75% 0.076 230.8)
XYZ	xyz(12.6623, 15.0556, 28.2200)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37738F #8F5337

analogous

#378F7F #37738F #37478F

triadic

#37738F #8F3773 #738F37

tetradic

#37738F #7F378F #8F5337 #478F37

square

#37738F #7F378F #8F5337 #478F37

split-complementary

#37738F #8F3747 #8F7F37

monochromatic

#152C37 #264F63 #37738F #4A96B9 #76B0CA

Accessibility & contrast

On white

5.24

#37738F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#37738F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37738F

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37738F	#FFFFFF	#000000	##FFFFFF
##37738F	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657190

Deuteranopia (green-blind)

#59688F

Tritanopia (blue-blind)

#007B7C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #37738f;
/* rgb */ color: rgb(55, 115, 143);
/* oklch */ color: oklch(52.8% 0.076 230.8);

Tailwind

colors: {
  custom: {
    50: '#769bb0',
    500: '#37738f',
    950: '#000000',
  },
}

SCSS

$custom: #37738f;
$custom-light: #769bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#37738f",
  "rgb": {
    "r": 55,
    "g": 115,
    "b": 143
  },
  "hsl": {
    "h": 199.091,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.52751,
    "c": 0.07607,
    "h": 230.8
  },
  "luminance": 0.15057
}

Semantic roles & 50–950 ramp

primary

#37738F

secondary

#B3846F

accent

#7D54D4

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #37738F

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

Preview Lab → · Contrast checker → · Palette generator →