#34307B#34307B

#34307B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.0% C 0.123 H 280.6°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#34307B
RGB	rgb(52, 48, 123)
HSL	hsl(243, 44%, 34%)
HSV	hsv(243, 61%, 48%)
CMYK	cmyk(57.7%, 61%, 0%, 51.8%)
CIE-LAB	lab(24.56, 24.80, -42.31)
CIE-LCH	lch(24.56, 49.04, 300.37°)
OKLab	oklab(35.98% 0.0227 -0.1213)
OKLCH	oklch(35.98% 0.123 280.6)
XYZ	xyz(6.0472, 4.2736, 19.2413)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34307B #777B30

analogous

#30517B #34307B #59307B

triadic

#34307B #7B3430 #307B34

tetradic

#34307B #7B3051 #777B30 #307B59

square

#34307B #7B3051 #777B30 #307B59

split-complementary

#34307B #7B5930 #517B30

monochromatic

#0F0E23 #211F4F #34307B #4741A7 #6863C2

Accessibility & contrast

On white

11.32

#34307B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#34307B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34307B

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34307B	#FFFFFF	#000000	##FFFFFF
##34307B	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7D

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#114250

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #34307b;
/* rgb */ color: rgb(52, 48, 123);
/* oklch */ color: oklch(36.0% 0.123 280.6);

Tailwind

colors: {
  custom: {
    50: '#7368a2',
    500: '#34307b',
    950: '#000000',
  },
}

SCSS

$custom: #34307b;
$custom-light: #7368a2;
$custom-dark: #000000;

JSON

{
  "hex": "#34307b",
  "rgb": {
    "r": 52,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 243.2,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35975,
    "c": 0.12344,
    "h": 280.6
  },
  "luminance": 0.04274
}

Semantic roles & 50–950 ramp

primary

#34307B

secondary

#A5A95D

accent

#D454CD

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #34307B

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

Preview Lab → · Contrast checker → · Palette generator →