#302A9B#302A9B

#302A9B is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.175 H 276.2°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#302A9B
RGB	rgb(48, 42, 155)
HSL	hsl(243, 57%, 39%)
HSV	hsv(243, 73%, 61%)
CMYK	cmyk(69%, 72.9%, 0%, 39.2%)
CIE-LAB	lab(25.71, 38.97, -60.33)
CIE-LCH	lch(25.71, 71.82, 302.86°)
OKLab	oklab(37.62% 0.019 -0.1743)
OKLCH	oklch(37.62% 0.175 276.2)
XYZ	xyz(7.9613, 4.6502, 31.4820)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#302A9B #959B2A

analogous

#2A5C9B #302A9B #682A9B

triadic

#302A9B #9B302A #2A9B30

tetradic

#302A9B #9B2A5C #959B2A #2A9B68

square

#302A9B #9B2A5C #959B2A #2A9B68

split-complementary

#302A9B #9B682A #5C9B2A

monochromatic

#12103B #211D6B #302A9B #4139C9 #6F69D6

Accessibility & contrast

On white

10.88

#302A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#302A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #302A9B

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##302A9B	#FFFFFF	#000000	##FFFFFF
##302A9B	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003899

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #302a9b;
/* rgb */ color: rgb(48, 42, 155);
/* oklch */ color: oklch(37.6% 0.175 276.2);

Tailwind

colors: {
  custom: {
    50: '#7865ba',
    500: '#302a9b',
    950: '#000000',
  },
}

SCSS

$custom: #302a9b;
$custom-light: #7865ba;
$custom-dark: #000000;

JSON

{
  "hex": "#302a9b",
  "rgb": {
    "r": 48,
    "g": 42,
    "b": 155
  },
  "hsl": {
    "h": 243.186,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37623,
    "c": 0.17534,
    "h": 276.2
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#302A9B

secondary

#B8BD64

accent

#E147D8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #302A9B

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

Preview Lab → · Contrast checker → · Palette generator →