#303A4E#303A4E

#303A4E is a dark, muted blue. Relative luminance 0.042; OKLCH L 34.8% C 0.038 H 263.9°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#303A4E
RGB	rgb(48, 58, 78)
HSL	hsl(220, 24%, 25%)
HSV	hsv(220, 38%, 31%)
CMYK	cmyk(38.5%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(24.34, 1.59, -13.52)
CIE-LCH	lch(24.34, 13.62, 276.70°)
OKLab	oklab(34.82% -0.004 -0.0374)
OKLCH	oklch(34.82% 0.038 263.9)
XYZ	xyz(4.1067, 4.2044, 7.8014)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303A4E #4E4430

analogous

#30494E #303A4E #35304E

triadic

#303A4E #4E303A #3A4E30

tetradic

#303A4E #4E3049 #4E4430 #304E35

square

#303A4E #4E3049 #4E4430 #304E35

split-complementary

#303A4E #4E3530 #494E30

monochromatic

#0C0E13 #191E28 #303A4E #475674 #5F729A

Accessibility & contrast

On white

11.41

#303A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#303A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303A4E

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303A4E	#FFFFFF	#000000	##FFFFFF
##303A4E	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4F

Deuteranopia (green-blind)

#30394E

Tritanopia (blue-blind)

#273E41

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #303a4e;
/* rgb */ color: rgb(48, 58, 78);
/* oklch */ color: oklch(34.8% 0.038 263.9);

Tailwind

colors: {
  custom: {
    50: '#69707f',
    500: '#303a4e',
    950: '#000000',
  },
}

SCSS

$custom: #303a4e;
$custom-light: #69707f;
$custom-dark: #000000;

JSON

{
  "hex": "#303a4e",
  "rgb": {
    "r": 48,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 220,
    "s": 23.81,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3482,
    "c": 0.03765,
    "h": 263.9
  },
  "luminance": 0.04205
}

Semantic roles & 50–950 ramp

primary

#303A4E

secondary

#7F735B

accent

#A368C0

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#06070A

muted

#7A7A7C

Preview Lab

Preview with #303A4E

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

Preview Lab → · Contrast checker → · Palette generator →