#303E84#303E84

#303E84 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.2% C 0.118 H 271.4°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#303E84
RGB	rgb(48, 62, 132)
HSL	hsl(230, 47%, 35%)
HSV	hsv(230, 64%, 52%)
CMYK	cmyk(63.6%, 53%, 0%, 48.2%)
CIE-LAB	lab(28.74, 17.76, -41.20)
CIE-LCH	lch(28.74, 44.87, 293.32°)
OKLab	oklab(39.24% 0.003 -0.118)
OKLCH	oklch(39.24% 0.118 271.4)
XYZ	xyz(7.1050, 5.7390, 22.5586)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303E84 #847630

analogous

#306884 #303E84 #4C3084

triadic

#303E84 #84303E #3E8430

tetradic

#303E84 #843068 #847630 #30844C

square

#303E84 #843068 #847630 #30844C

split-complementary

#303E84 #844C30 #688430

monochromatic

#0F142A #202957 #303E84 #4053B1 #6777C8

Accessibility & contrast

On white

9.78

#303E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#303E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303E84

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303E84	#FFFFFF	#000000	##FFFFFF
##303E84	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164886

Deuteranopia (green-blind)

#004083

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #303e84;
/* rgb */ color: rgb(48, 62, 132);
/* oklch */ color: oklch(39.2% 0.118 271.4);

Tailwind

colors: {
  custom: {
    50: '#7173a8',
    500: '#303e84',
    950: '#000000',
  },
}

SCSS

$custom: #303e84;
$custom-light: #7173a8;
$custom-dark: #000000;

JSON

{
  "hex": "#303e84",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 132
  },
  "hsl": {
    "h": 230,
    "s": 46.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39243,
    "c": 0.11809,
    "h": 271.4
  },
  "luminance": 0.0574
}

Semantic roles & 50–950 ramp

primary

#303E84

secondary

#AFA261

accent

#C051D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #303E84

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

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