#302C8B#302C8B

#302C8B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.4% C 0.152 H 277.5°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#302C8B
RGB	rgb(48, 44, 139)
HSL	hsl(243, 52%, 36%)
HSV	hsv(243, 68%, 55%)
CMYK	cmyk(65.5%, 68.3%, 0%, 45.5%)
CIE-LAB	lab(24.62, 32.27, -52.26)
CIE-LCH	lch(24.62, 61.42, 301.69°)
OKLab	oklab(36.37% 0.02 -0.1507)
OKLCH	oklch(36.37% 0.152 277.5)
XYZ	xyz(6.7783, 4.2933, 24.8926)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#302C8B #878B2C

analogous

#2C578B #302C8B #5F2C8B

triadic

#302C8B #8B302C #2C8B30

tetradic

#302C8B #8B2C57 #878B2C #2C8B5F

square

#302C8B #8B2C57 #878B2C #2C8B5F

split-complementary

#302C8B #8B5F2C #578B2C

monochromatic

#100F2E #201D5D #302C8B #403BB9 #6864CE

Accessibility & contrast

On white

11.30

#302C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#302C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #302C8B

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##302C8B	#FFFFFF	#000000	##FFFFFF
##302C8B	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8E

Deuteranopia (green-blind)

#003689

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #302c8b;
/* rgb */ color: rgb(48, 44, 139);
/* oklch */ color: oklch(36.4% 0.152 277.5);

Tailwind

colors: {
  custom: {
    50: '#7466ae',
    500: '#302c8b',
    950: '#000000',
  },
}

SCSS

$custom: #302c8b;
$custom-light: #7466ae;
$custom-dark: #000000;

JSON

{
  "hex": "#302c8b",
  "rgb": {
    "r": 48,
    "g": 44,
    "b": 139
  },
  "hsl": {
    "h": 242.526,
    "s": 51.913,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36366,
    "c": 0.15203,
    "h": 277.5
  },
  "luminance": 0.04294
}

Semantic roles & 50–950 ramp

primary

#302C8B

secondary

#B1B45F

accent

#DB4CD5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #302C8B

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

Preview Lab → · Contrast checker → · Palette generator →