#304B65#304B65

#304B65 is a dark, muted cyan. Relative luminance 0.066; OKLCH L 40.3% C 0.055 H 248.4°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#304B65
RGB	rgb(48, 75, 101)
HSL	hsl(209, 36%, 29%)
HSV	hsv(209, 52%, 40%)
CMYK	cmyk(52.5%, 25.7%, 0%, 60.4%)
CIE-LAB	lab(30.88, -2.06, -18.32)
CIE-LCH	lch(30.88, 18.43, 263.59°)
OKLab	oklab(40.3% -0.0202 -0.0511)
OKLCH	oklch(40.3% 0.055 248.4)
XYZ	xyz(6.0831, 6.5997, 13.2627)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304B65 #654A30

analogous

#306565 #304B65 #303165

triadic

#304B65 #65304B #4B6530

tetradic

#304B65 #653065 #654A30 #316530

square

#304B65 #653065 #654A30 #316530

split-complementary

#304B65 #653031 #656530

monochromatic

#0A0F15 #1C2C3C #304B65 #446A8E #5D89B2

Accessibility & contrast

On white

9.05

#304B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#304B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304B65

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304B65	#FFFFFF	#000000	##FFFFFF
##304B65	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404C66

Deuteranopia (green-blind)

#3A4664

Tritanopia (blue-blind)

#175154

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #304b65;
/* rgb */ color: rgb(48, 75, 101);
/* oklch */ color: oklch(40.3% 0.055 248.4);

Tailwind

colors: {
  custom: {
    50: '#6c7d91',
    500: '#304b65',
    950: '#000000',
  },
}

SCSS

$custom: #304b65;
$custom-light: #6c7d91;
$custom-dark: #000000;

JSON

{
  "hex": "#304b65",
  "rgb": {
    "r": 48,
    "g": 75,
    "b": 101
  },
  "hsl": {
    "h": 209.434,
    "s": 35.57,
    "l": 29.216
  },
  "oklch": {
    "l": 0.40303,
    "c": 0.05499,
    "h": 248.4
  },
  "luminance": 0.066
}

Semantic roles & 50–950 ramp

primary

#304B65

secondary

#96785A

accent

#935CCC

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#07090C

muted

#7A7B7D

Preview Lab

Preview with #304B65

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

Preview Lab → · Contrast checker → · Palette generator →