#374F70#374F70

#374F70 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.3% C 0.063 H 256.5°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#374F70
RGB	rgb(55, 79, 112)
HSL	hsl(215, 34%, 33%)
HSV	hsv(215, 51%, 44%)
CMYK	cmyk(50.9%, 29.5%, 0%, 56.1%)
CIE-LAB	lab(33.08, 0.94, -21.80)
CIE-LCH	lch(33.08, 21.82, 272.48°)
OKLab	oklab(42.31% -0.0146 -0.061)
OKLCH	oklch(42.31% 0.063 256.5)
XYZ	xyz(7.2952, 7.5735, 16.4035)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#374F70 #705837

analogous

#376B70 #374F70 #3B3770

triadic

#374F70 #70374F #4F7037

tetradic

#374F70 #70376B #705837 #37703B

square

#374F70 #70376B #705837 #37703B

split-complementary

#374F70 #703B37 #6B7037

monochromatic

#0F151E #233247 #374F70 #4B6C99 #6B8BB6

Accessibility & contrast

On white

8.35

#374F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#374F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #374F70

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##374F70	#FFFFFF	#000000	##FFFFFF
##374F70	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425171

Deuteranopia (green-blind)

#3B4B6F

Tritanopia (blue-blind)

#1E565B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #374f70;
/* rgb */ color: rgb(55, 79, 112);
/* oklch */ color: oklch(42.3% 0.063 256.5);

Tailwind

colors: {
  custom: {
    50: '#718099',
    500: '#374f70',
    950: '#000000',
  },
}

SCSS

$custom: #374f70;
$custom-light: #718099;
$custom-dark: #000000;

JSON

{
  "hex": "#374f70",
  "rgb": {
    "r": 55,
    "g": 79,
    "b": 112
  },
  "hsl": {
    "h": 214.737,
    "s": 34.132,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42313,
    "c": 0.06277,
    "h": 256.5
  },
  "luminance": 0.07574
}

Semantic roles & 50–950 ramp

primary

#374F70

secondary

#9F8663

accent

#9C5ECA

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #374F70

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

Preview Lab → · Contrast checker → · Palette generator →