#30359B#30359B

#30359B is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.163 H 274.0°. Best body text is #FFFFFF at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#30359B
RGB	rgb(48, 53, 155)
HSL	hsl(237, 53%, 40%)
HSV	hsv(237, 69%, 61%)
CMYK	cmyk(69%, 65.8%, 0%, 39.2%)
CIE-LAB	lab(28.22, 32.16, -56.21)
CIE-LCH	lch(28.22, 64.76, 299.77°)
OKLab	oklab(39.43% 0.0113 -0.1623)
OKLCH	oklch(39.43% 0.163 274)
XYZ	xyz(8.4065, 5.5404, 31.6304)
Luminance	0.0554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30359B #9B9630

analogous

#306B9B #30359B #60309B

triadic

#30359B #9B3035 #359B30

tetradic

#30359B #9B306B #9B9630 #309B60

square

#30359B #9B306B #9B9630 #309B60

split-complementary

#30359B #9B6030 #6B9B30

monochromatic

#13153E #22256C #30359B #4349C5 #7277D3

Accessibility & contrast

On white

9.96

#30359B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#30359B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30359B

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30359B	#FFFFFF	#000000	##FFFFFF
##30359B	1.00	9.96	2.11	9.96
#FFFFFF	9.96	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#003E99

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #30359b;
/* rgb */ color: rgb(48, 53, 155);
/* oklch */ color: oklch(39.4% 0.163 274.0);

Tailwind

colors: {
  custom: {
    50: '#776cb9',
    500: '#30359b',
    950: '#000000',
  },
}

SCSS

$custom: #30359b;
$custom-light: #776cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#30359b",
  "rgb": {
    "r": 48,
    "g": 53,
    "b": 155
  },
  "hsl": {
    "h": 237.196,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39434,
    "c": 0.16265,
    "h": 274
  },
  "luminance": 0.05541
}

Semantic roles & 50–950 ramp

primary

#30359B

secondary

#BBB76C

accent

#D54CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30359B

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

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