#34279B#34279B

#34279B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.5% C 0.178 H 278.5°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#34279B
RGB	rgb(52, 39, 155)
HSL	hsl(247, 60%, 38%)
HSV	hsv(247, 75%, 61%)
CMYK	cmyk(66.5%, 74.8%, 0%, 39.2%)
CIE-LAB	lab(25.40, 41.17, -60.83)
CIE-LCH	lch(25.40, 73.45, 304.09°)
OKLab	oklab(37.48% 0.0263 -0.1756)
OKLCH	oklch(37.48% 0.178 278.5)
XYZ	xyz(8.0562, 4.5470, 31.4571)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34279B #8E9B27

analogous

#27549B #34279B #6E279B

triadic

#34279B #9B3427 #279B34

tetradic

#34279B #9B2754 #8E9B27 #279B6E

square

#34279B #9B2754 #8E9B27 #279B6E

split-complementary

#34279B #9B6E27 #549B27

monochromatic

#130E39 #241B6A #34279B #4433CC #7164D8

Accessibility & contrast

On white

11.00

#34279B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#34279B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34279B

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34279B	#FFFFFF	#000000	##FFFFFF
##34279B	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419E

Deuteranopia (green-blind)

#003799

Tritanopia (blue-blind)

#00485F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #34279b;
/* rgb */ color: rgb(52, 39, 155);
/* oklch */ color: oklch(37.5% 0.178 278.5);

Tailwind

colors: {
  custom: {
    50: '#7a63ba',
    500: '#34279b',
    950: '#000000',
  },
}

SCSS

$custom: #34279b;
$custom-light: #7a63ba;
$custom-dark: #000000;

JSON

{
  "hex": "#34279b",
  "rgb": {
    "r": 52,
    "g": 39,
    "b": 155
  },
  "hsl": {
    "h": 246.724,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37481,
    "c": 0.17761,
    "h": 278.5
  },
  "luminance": 0.04548
}

Semantic roles & 50–950 ramp

primary

#34279B

secondary

#B3BE60

accent

#E345D1

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #34279B

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

Preview Lab → · Contrast checker → · Palette generator →