#302FAB#302FAB

#302FAB is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.190 H 274.0°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#302FAB
RGB	rgb(48, 47, 171)
HSL	hsl(240, 57%, 43%)
HSV	hsv(240, 73%, 67%)
CMYK	cmyk(71.9%, 72.5%, 0%, 32.9%)
CIE-LAB	lab(28.38, 41.42, -65.63)
CIE-LCH	lch(28.38, 77.61, 302.26°)
OKLab	oklab(40.01% 0.0132 -0.1898)
OKLCH	oklch(40.01% 0.19 274)
XYZ	xyz(9.5837, 5.6007, 39.0962)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#302FAB #AAAB2F

analogous

#2F6CAB #302FAB #6E2FAB

triadic

#302FAB #AB302F #2FAB30

tetradic

#302FAB #AB2F6C #AAAB2F #2FAB6E

square

#302FAB #AB2F6C #AAAB2F #2FAB6E

split-complementary

#302FAB #AB6E2F #6CAB2F

monochromatic

#15154B #23227B #302FAB #4B4ACD #7B7ADA

Accessibility & contrast

On white

9.90

#302FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#302FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #302FAB

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##302FAB	#FFFFFF	#000000	##FFFFFF
##302FAB	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AF

Deuteranopia (green-blind)

#003DA9

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #302fab;
/* rgb */ color: rgb(48, 47, 171);
/* oklch */ color: oklch(40.0% 0.190 274.0);

Tailwind

colors: {
  custom: {
    50: '#7b69c5',
    500: '#302fab',
    950: '#000000',
  },
}

SCSS

$custom: #302fab;
$custom-light: #7b69c5;
$custom-dark: #000000;

JSON

{
  "hex": "#302fab",
  "rgb": {
    "r": 48,
    "g": 47,
    "b": 171
  },
  "hsl": {
    "h": 240.484,
    "s": 56.881,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40012,
    "c": 0.19026,
    "h": 274
  },
  "luminance": 0.05602
}

Semantic roles & 50–950 ramp

primary

#302FAB

secondary

#C2C373

accent

#E048DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #302FAB

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

Preview Lab → · Contrast checker → · Palette generator →