#304564#304564

#304564 is a dark, muted blue. Relative luminance 0.058; OKLCH L 38.7% C 0.059 H 258.0°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#304564
RGB	rgb(48, 69, 100)
HSL	hsl(216, 35%, 29%)
HSV	hsv(216, 52%, 39%)
CMYK	cmyk(52%, 31%, 0%, 60.8%)
CIE-LAB	lab(28.91, 1.51, -20.73)
CIE-LCH	lch(28.91, 20.79, 274.15°)
OKLab	oklab(38.75% -0.0124 -0.0581)
OKLCH	oklch(38.75% 0.059 258)
XYZ	xyz(5.6465, 5.8043, 12.8769)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304564 #644F30

analogous

#305F64 #304564 #353064

triadic

#304564 #643045 #456430

tetradic

#304564 #64305F #644F30 #306435

square

#304564 #64305F #644F30 #306435

split-complementary

#304564 #643530 #5F6430

monochromatic

#0A0E15 #1C283B #304564 #44628D #5D7FB1

Accessibility & contrast

On white

9.72

#304564 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#304564 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304564

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304564	#FFFFFF	#000000	##FFFFFF
##304564	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394765

Deuteranopia (green-blind)

#334263

Tritanopia (blue-blind)

#194C50

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #304564;
/* rgb */ color: rgb(48, 69, 100);
/* oklch */ color: oklch(38.7% 0.059 258.0);

Tailwind

colors: {
  custom: {
    50: '#6c7890',
    500: '#304564',
    950: '#000000',
  },
}

SCSS

$custom: #304564;
$custom-light: #6c7890;
$custom-dark: #000000;

JSON

{
  "hex": "#304564",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 100
  },
  "hsl": {
    "h": 215.769,
    "s": 35.135,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38746,
    "c": 0.05943,
    "h": 258
  },
  "luminance": 0.05805
}

Semantic roles & 50–950 ramp

primary

#304564

secondary

#957E5A

accent

#9F5DCB

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#07090C

muted

#7A7B7D

Preview Lab

Preview with #304564

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

Preview Lab → · Contrast checker → · Palette generator →