#30389B#30389B

#30389B is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.159 H 273.2°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#30389B
RGB	rgb(48, 56, 155)
HSL	hsl(236, 53%, 40%)
HSV	hsv(236, 69%, 61%)
CMYK	cmyk(69%, 63.9%, 0%, 39.2%)
CIE-LAB	lab(28.96, 30.22, -55.01)
CIE-LCH	lch(28.96, 62.76, 298.78°)
OKLab	oklab(39.97% 0.0089 -0.1587)
OKLCH	oklch(39.97% 0.159 273.2)
XYZ	xyz(8.5475, 5.8225, 31.6774)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30389B #9B9330

analogous

#306E9B #30389B #5E309B

triadic

#30389B #9B3038 #389B30

tetradic

#30389B #9B306E #9B9330 #309B5E

square

#30389B #9B306E #9B9330 #309B5E

split-complementary

#30389B #9B5E30 #6E9B30

monochromatic

#13163E #22276C #30389B #434DC5 #7279D3

Accessibility & contrast

On white

9.70

#30389B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#30389B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30389B

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30389B	#FFFFFF	#000000	##FFFFFF
##30389B	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#003F99

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #30389b;
/* rgb */ color: rgb(48, 56, 155);
/* oklch */ color: oklch(40.0% 0.159 273.2);

Tailwind

colors: {
  custom: {
    50: '#776eb9',
    500: '#30389b',
    950: '#000000',
  },
}

SCSS

$custom: #30389b;
$custom-light: #776eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#30389b",
  "rgb": {
    "r": 48,
    "g": 56,
    "b": 155
  },
  "hsl": {
    "h": 235.514,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39974,
    "c": 0.15895,
    "h": 273.2
  },
  "luminance": 0.05823
}

Semantic roles & 50–950 ramp

primary

#30389B

secondary

#BBB56C

accent

#D14CDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #30389B

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

Preview Lab → · Contrast checker → · Palette generator →