#30339B#30339B

#30339B is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.165 H 274.4°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#30339B
RGB	rgb(48, 51, 155)
HSL	hsl(238, 53%, 40%)
HSV	hsv(238, 69%, 61%)
CMYK	cmyk(69%, 67.1%, 0%, 39.2%)
CIE-LAB	lab(27.74, 33.44, -57.00)
CIE-LCH	lch(27.74, 66.08, 300.40°)
OKLab	oklab(39.08% 0.0127 -0.1646)
OKLCH	oklch(39.08% 0.165 274.4)
XYZ	xyz(8.3172, 5.3618, 31.6006)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30339B #9B9830

analogous

#30689B #30339B #63309B

triadic

#30339B #9B3033 #339B30

tetradic

#30339B #9B3068 #9B9830 #309B63

square

#30339B #9B3068 #9B9830 #309B63

split-complementary

#30339B #9B6330 #689B30

monochromatic

#13143E #22246C #30339B #4347C5 #7275D3

Accessibility & contrast

On white

10.13

#30339B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#30339B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30339B

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30339B	#FFFFFF	#000000	##FFFFFF
##30339B	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #30339b;
/* rgb */ color: rgb(48, 51, 155);
/* oklch */ color: oklch(39.1% 0.165 274.4);

Tailwind

colors: {
  custom: {
    50: '#776bb9',
    500: '#30339b',
    950: '#000000',
  },
}

SCSS

$custom: #30339b;
$custom-light: #776bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#30339b",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 155
  },
  "hsl": {
    "h": 238.318,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39084,
    "c": 0.16506,
    "h": 274.4
  },
  "luminance": 0.05363
}

Semantic roles & 50–950 ramp

primary

#30339B

secondary

#BBB96C

accent

#D84CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #30339B

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

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