#334B66#334B66

#334B66 is a dark, muted cyan. Relative luminance 0.067; OKLCH L 40.5% C 0.055 H 252.1°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#334B66
RGB	rgb(51, 75, 102)
HSL	hsl(212, 33%, 30%)
HSV	hsv(212, 50%, 40%)
CMYK	cmyk(50%, 26.5%, 0%, 60%)
CIE-LAB	lab(31.10, -0.90, -18.59)
CIE-LCH	lch(31.10, 18.61, 267.22°)
OKLab	oklab(40.54% -0.0168 -0.0519)
OKLCH	oklch(40.54% 0.055 252.1)
XYZ	xyz(6.2788, 6.6948, 13.5292)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334B66 #664E33

analogous

#336466 #334B66 #353366

triadic

#334B66 #66334B #4B6633

tetradic

#334B66 #663364 #664E33 #336635

square

#334B66 #663364 #664E33 #336635

split-complementary

#334B66 #663533 #646633

monochromatic

#0A0F14 #1F2D3D #334B66 #47698F #6387B1

Accessibility & contrast

On white

8.98

#334B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#334B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334B66

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334B66	#FFFFFF	#000000	##FFFFFF
##334B66	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404C67

Deuteranopia (green-blind)

#3A4765

Tritanopia (blue-blind)

#1D5154

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #334b66;
/* rgb */ color: rgb(51, 75, 102);
/* oklch */ color: oklch(40.5% 0.055 252.1);

Tailwind

colors: {
  custom: {
    50: '#6e7d91',
    500: '#334b66',
    950: '#000000',
  },
}

SCSS

$custom: #334b66;
$custom-light: #6e7d91;
$custom-dark: #000000;

JSON

{
  "hex": "#334b66",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 102
  },
  "hsl": {
    "h": 211.765,
    "s": 33.333,
    "l": 30
  },
  "oklch": {
    "l": 0.40542,
    "c": 0.05453,
    "h": 252.1
  },
  "luminance": 0.06695
}

Semantic roles & 50–950 ramp

primary

#334B66

secondary

#977C5E

accent

#975EC9

background

#F6F7F8

surface

#ECEEF0

border

#C7C9CB

text

#07090D

muted

#7A7B7D

Preview Lab

Preview with #334B66

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

Preview Lab → · Contrast checker → · Palette generator →