#30489B#30489B

#30489B is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.1% C 0.138 H 268.0°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#30489B
RGB	rgb(48, 72, 155)
HSL	hsl(227, 53%, 40%)
HSV	hsv(227, 69%, 61%)
CMYK	cmyk(69%, 53.5%, 0%, 39.2%)
CIE-LAB	lab(33.20, 19.58, -48.12)
CIE-LCH	lch(33.20, 51.95, 292.14°)
OKLab	oklab(43.13% -0.0048 -0.1383)
OKLCH	oklch(43.13% 0.138 268)
XYZ	xyz(9.4506, 7.6288, 31.9784)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30489B #9B8330

analogous

#307E9B #30489B #4E309B

triadic

#30489B #9B3048 #489B30

tetradic

#30489B #9B307E #9B8330 #309B4E

square

#30489B #9B307E #9B8330 #309B4E

split-complementary

#30489B #9B4E30 #7E9B30

monochromatic

#131D3E #22326C #30489B #4360C5 #7288D3

Accessibility & contrast

On white

8.31

#30489B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#30489B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30489B

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30489B	#FFFFFF	#000000	##FFFFFF
##30489B	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11539E

Deuteranopia (green-blind)

#004999

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #30489b;
/* rgb */ color: rgb(48, 72, 155);
/* oklch */ color: oklch(43.1% 0.138 268.0);

Tailwind

colors: {
  custom: {
    50: '#757ab9',
    500: '#30489b',
    950: '#000000',
  },
}

SCSS

$custom: #30489b;
$custom-light: #757ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#30489b",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 155
  },
  "hsl": {
    "h": 226.542,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43134,
    "c": 0.13835,
    "h": 268
  },
  "luminance": 0.0763
}

Semantic roles & 50–950 ramp

primary

#30489B

secondary

#BBA96C

accent

#BC4CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #30489B

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

Preview Lab → · Contrast checker → · Palette generator →