#301BA5#301BA5

#301BA5 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.8% C 0.201 H 276.8°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#301BA5
RGB	rgb(48, 27, 165)
HSL	hsl(249, 72%, 38%)
HSV	hsv(249, 84%, 65%)
CMYK	cmyk(70.9%, 83.6%, 0%, 35.3%)
CIE-LAB	lab(24.09, 49.91, -69.10)
CIE-LCH	lch(24.09, 85.24, 305.84°)
OKLab	oklab(36.81% 0.024 -0.1997)
OKLCH	oklch(36.81% 0.201 276.8)
XYZ	xyz(8.4002, 4.1281, 35.9441)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#301BA5 #90A51B

analogous

#1B4BA5 #301BA5 #751BA5

triadic

#301BA5 #A5301B #1BA530

tetradic

#301BA5 #A51B4B #90A51B #1BA575

square

#301BA5 #A51B4B #90A51B #1BA575

split-complementary

#301BA5 #A5751B #4BA51B

monochromatic

#110A3C #211270 #301BA5 #3F24DA #6C57E3

Accessibility & contrast

On white

11.50

#301BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#301BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #301BA5

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##301BA5	#FFFFFF	#000000	##FFFFFF
##301BA5	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA9

Deuteranopia (green-blind)

#0033A3

Tritanopia (blue-blind)

#004762

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #301ba5;
/* rgb */ color: rgb(48, 27, 165);
/* oklch */ color: oklch(36.8% 0.201 276.8);

Tailwind

colors: {
  custom: {
    50: '#7b5dc1',
    500: '#301ba5',
    950: '#000000',
  },
}

SCSS

$custom: #301ba5;
$custom-light: #7b5dc1;
$custom-dark: #000000;

JSON

{
  "hex": "#301ba5",
  "rgb": {
    "r": 48,
    "g": 27,
    "b": 165
  },
  "hsl": {
    "h": 249.13,
    "s": 71.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36807,
    "c": 0.2011,
    "h": 276.8
  },
  "luminance": 0.04129
}

Semantic roles & 50–950 ramp

primary

#301BA5

secondary

#B5C755

accent

#EF39D3

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #301BA5

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

Preview Lab → · Contrast checker → · Palette generator →