#303E7A#303E7A

#303E7A is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.5% C 0.103 H 271.0°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#303E7A
RGB	rgb(48, 62, 122)
HSL	hsl(229, 44%, 33%)
HSV	hsv(229, 61%, 48%)
CMYK	cmyk(60.7%, 49.2%, 0%, 52.2%)
CIE-LAB	lab(28.06, 14.08, -36.05)
CIE-LCH	lch(28.06, 38.70, 291.33°)
OKLab	oklab(38.5% 0.0018 -0.1029)
OKLCH	oklch(38.5% 0.103 271)
XYZ	xyz(6.4532, 5.4783, 19.1259)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303E7A #7A6C30

analogous

#30637A #303E7A #47307A

triadic

#303E7A #7A303E #3E7A30

tetradic

#303E7A #7A3063 #7A6C30 #307A47

square

#303E7A #7A3063 #7A6C30 #307A47

split-complementary

#303E7A #7A4730 #637A30

monochromatic

#0D1122 #1F284E #303E7A #4154A6 #6375C2

Accessibility & contrast

On white

10.02

#303E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#303E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303E7A

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303E7A	#FFFFFF	#000000	##FFFFFF
##303E7A	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21467C

Deuteranopia (green-blind)

#163F79

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #303e7a;
/* rgb */ color: rgb(48, 62, 122);
/* oklch */ color: oklch(38.5% 0.103 271.0);

Tailwind

colors: {
  custom: {
    50: '#6f73a1',
    500: '#303e7a',
    950: '#000000',
  },
}

SCSS

$custom: #303e7a;
$custom-light: #6f73a1;
$custom-dark: #000000;

JSON

{
  "hex": "#303e7a",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 122
  },
  "hsl": {
    "h": 228.649,
    "s": 43.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38501,
    "c": 0.10292,
    "h": 271
  },
  "luminance": 0.05479
}

Semantic roles & 50–950 ramp

primary

#303E7A

secondary

#A99A5D

accent

#BB55D3

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08080F

muted

#7B7B7E

Preview Lab

Preview with #303E7A

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

Preview Lab → · Contrast checker → · Palette generator →