#374D64#374D64

#374D64 is a dark, muted cyan. Relative luminance 0.070; OKLCH L 41.2% C 0.047 H 250.1°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#374D64
RGB	rgb(55, 77, 100)
HSL	hsl(211, 29%, 30%)
HSV	hsv(211, 45%, 39%)
CMYK	cmyk(45%, 23%, 0%, 60.8%)
CIE-LAB	lab(31.90, -1.68, -16.07)
CIE-LCH	lch(31.90, 16.16, 264.03°)
OKLab	oklab(41.2% -0.0161 -0.0446)
OKLCH	oklch(41.2% 0.047 250.1)
XYZ	xyz(6.5289, 7.0397, 13.0689)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374D64 #644E37

analogous

#376364 #374D64 #383764

triadic

#374D64 #64374D #4D6437

tetradic

#374D64 #643763 #644E37 #376438

square

#374D64 #643763 #644E37 #376438

split-complementary

#374D64 #643837 #636437

monochromatic

#0C1015 #212F3D #374D64 #4D6B8B #698AAC

Accessibility & contrast

On white

8.72

#374D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#374D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374D64

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374D64	#FFFFFF	#000000	##FFFFFF
##374D64	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444E65

Deuteranopia (green-blind)

#3E4964

Tritanopia (blue-blind)

#265255

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #374d64;
/* rgb */ color: rgb(55, 77, 100);
/* oklch */ color: oklch(41.2% 0.047 250.1);

Tailwind

colors: {
  custom: {
    50: '#707e90',
    500: '#374d64',
    950: '#000000',
  },
}

SCSS

$custom: #374d64;
$custom-light: #707e90;
$custom-dark: #000000;

JSON

{
  "hex": "#374d64",
  "rgb": {
    "r": 55,
    "g": 77,
    "b": 100
  },
  "hsl": {
    "h": 210.667,
    "s": 29.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41204,
    "c": 0.04745,
    "h": 250.1
  },
  "luminance": 0.0704
}

Semantic roles & 50–950 ramp

primary

#374D64

secondary

#947C62

accent

#9562C5

background

#F6F7F8

surface

#ECEEF0

border

#C7C9CB

text

#070A0C

muted

#7A7C7D

Preview Lab

Preview with #374D64

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

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