#30459B#30459B

#30459B is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.5% C 0.142 H 269.2°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#30459B
RGB	rgb(48, 69, 155)
HSL	hsl(228, 53%, 40%)
HSV	hsv(228, 69%, 61%)
CMYK	cmyk(69%, 55.5%, 0%, 39.2%)
CIE-LAB	lab(32.37, 21.59, -49.46)
CIE-LCH	lch(32.37, 53.97, 293.58°)
OKLab	oklab(42.51% -0.0021 -0.1422)
OKLCH	oklch(42.51% 0.142 269.2)
XYZ	xyz(9.2614, 7.2503, 31.9154)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30459B #9B8630

analogous

#307B9B #30459B #50309B

triadic

#30459B #9B3045 #459B30

tetradic

#30459B #9B307B #9B8630 #309B50

square

#30459B #9B307B #9B8630 #309B50

split-complementary

#30459B #9B5030 #7B9B30

monochromatic

#131B3E #22306C #30459B #435DC5 #7285D3

Accessibility & contrast

On white

8.57

#30459B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#30459B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30459B

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30459B	#FFFFFF	#000000	##FFFFFF
##30459B	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519E

Deuteranopia (green-blind)

#004799

Tritanopia (blue-blind)

#005A69

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #30459b;
/* rgb */ color: rgb(48, 69, 155);
/* oklch */ color: oklch(42.5% 0.142 269.2);

Tailwind

colors: {
  custom: {
    50: '#7678b9',
    500: '#30459b',
    950: '#000000',
  },
}

SCSS

$custom: #30459b;
$custom-light: #7678b9;
$custom-dark: #000000;

JSON

{
  "hex": "#30459b",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 155
  },
  "hsl": {
    "h": 228.224,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.4251,
    "c": 0.14227,
    "h": 269.2
  },
  "luminance": 0.07251
}

Semantic roles & 50–950 ramp

primary

#30459B

secondary

#BBAC6C

accent

#C04CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #30459B

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

Preview Lab → · Contrast checker → · Palette generator →