#34479B#34479B

#34479B is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.1% C 0.138 H 270.1°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#34479B
RGB	rgb(52, 71, 155)
HSL	hsl(229, 50%, 41%)
HSV	hsv(229, 66%, 61%)
CMYK	cmyk(66.5%, 54.2%, 0%, 39.2%)
CIE-LAB	lab(33.14, 20.91, -48.20)
CIE-LCH	lch(33.14, 52.54, 293.45°)
OKLab	oklab(43.15% 0.0002 -0.1384)
OKLCH	oklch(43.15% 0.138 270.1)
XYZ	xyz(9.5838, 7.6022, 31.9663)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34479B #9B8834

analogous

#347A9B #34479B #54349B

triadic

#34479B #9B3447 #479B34

tetradic

#34479B #9B347A #9B8834 #349B54

square

#34479B #9B347A #9B8834 #349B54

split-complementary

#34479B #9B5434 #7A9B34

monochromatic

#151D3F #25326D #34479B #4A60C2 #7888D2

Accessibility & contrast

On white

8.33

#34479B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#34479B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34479B

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34479B	#FFFFFF	#000000	##FFFFFF
##34479B	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E539E

Deuteranopia (green-blind)

#004999

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #34479b;
/* rgb */ color: rgb(52, 71, 155);
/* oklch */ color: oklch(43.1% 0.138 270.1);

Tailwind

colors: {
  custom: {
    50: '#7779b9',
    500: '#34479b',
    950: '#000000',
  },
}

SCSS

$custom: #34479b;
$custom-light: #7779b9;
$custom-dark: #000000;

JSON

{
  "hex": "#34479b",
  "rgb": {
    "r": 52,
    "g": 71,
    "b": 155
  },
  "hsl": {
    "h": 228.932,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4315,
    "c": 0.13843,
    "h": 270.1
  },
  "luminance": 0.07603
}

Semantic roles & 50–950 ramp

primary

#34479B

secondary

#BAAD71

accent

#C04FD9

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #34479B

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

Preview Lab → · Contrast checker → · Palette generator →