#374F5C#374F5C

#374F5C is a dark, muted cyan. Relative luminance 0.072; OKLCH L 41.3% C 0.037 H 232.5°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#374F5C
RGB	rgb(55, 79, 92)
HSL	hsl(201, 25%, 29%)
HSV	hsv(201, 40%, 36%)
CMYK	cmyk(40.2%, 14.1%, 0%, 63.9%)
CIE-LAB	lab(32.21, -5.40, -10.53)
CIE-LCH	lch(32.21, 11.84, 242.84°)
OKLab	oklab(41.34% -0.0223 -0.029)
OKLCH	oklch(41.34% 0.037 232.5)
XYZ	xyz(6.3027, 7.1765, 11.1762)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374F5C #5C4437

analogous

#375C57 #374F5C #373D5C

triadic

#374F5C #5C374F #4F5C37

tetradic

#374F5C #57375C #5C4437 #3D5C37

square

#374F5C #57375C #5C4437 #3D5C37

split-complementary

#374F5C #5C373D #5C5737

monochromatic

#0B1013 #202E36 #374F5C #4E7082 #6890A5

Accessibility & contrast

On white

8.62

#374F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#374F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374F5C

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374F5C	#FFFFFF	#000000	##FFFFFF
##374F5C	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494E5D

Deuteranopia (green-blind)

#434A5C

Tritanopia (blue-blind)

#2A5353

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #374f5c;
/* rgb */ color: rgb(55, 79, 92);
/* oklch */ color: oklch(41.3% 0.037 232.5);

Tailwind

colors: {
  custom: {
    50: '#6f808a',
    500: '#374f5c',
    950: '#000000',
  },
}

SCSS

$custom: #374f5c;
$custom-light: #6f808a;
$custom-dark: #000000;

JSON

{
  "hex": "#374f5c",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 92
  },
  "hsl": {
    "h": 201.081,
    "s": 25.17,
    "l": 28.824
  },
  "oklch": {
    "l": 0.41338,
    "c": 0.03653,
    "h": 232.5
  },
  "luminance": 0.07177
}

Semantic roles & 50–950 ramp

primary

#374F5C

secondary

#8C7162

accent

#8666C2

background

#F6F7F8

surface

#ECEEF0

border

#C7C9CB

text

#070A0B

muted

#7A7C7C

Preview Lab

Preview with #374F5C

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

Preview Lab → · Contrast checker → · Palette generator →