#342A9B#342A9B

#342A9B is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.174 H 278.0°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#342A9B
RGB	rgb(52, 42, 155)
HSL	hsl(245, 57%, 39%)
HSV	hsv(245, 73%, 61%)
CMYK	cmyk(66.5%, 72.9%, 0%, 39.2%)
CIE-LAB	lab(26.02, 39.46, -59.82)
CIE-LCH	lch(26.02, 71.66, 303.41°)
OKLab	oklab(37.92% 0.0243 -0.1727)
OKLCH	oklch(37.92% 0.174 278)
XYZ	xyz(8.1586, 4.7519, 31.4912)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#342A9B #919B2A

analogous

#2A589B #342A9B #6C2A9B

triadic

#342A9B #9B342A #2A9B34

tetradic

#342A9B #9B2A58 #919B2A #2A9B6C

square

#342A9B #9B2A58 #919B2A #2A9B6C

split-complementary

#342A9B #9B6C2A #589B2A

monochromatic

#14103B #241D6B #342A9B #4639C9 #7369D6

Accessibility & contrast

On white

10.77

#342A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#342A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #342A9B

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##342A9B	#FFFFFF	#000000	##FFFFFF
##342A9B	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003999

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #342a9b;
/* rgb */ color: rgb(52, 42, 155);
/* oklch */ color: oklch(37.9% 0.174 278.0);

Tailwind

colors: {
  custom: {
    50: '#7a65ba',
    500: '#342a9b',
    950: '#000000',
  },
}

SCSS

$custom: #342a9b;
$custom-light: #7a65ba;
$custom-dark: #000000;

JSON

{
  "hex": "#342a9b",
  "rgb": {
    "r": 52,
    "g": 42,
    "b": 155
  },
  "hsl": {
    "h": 245.31,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37916,
    "c": 0.17442,
    "h": 278
  },
  "luminance": 0.04753
}

Semantic roles & 50–950 ramp

primary

#342A9B

secondary

#B5BD64

accent

#E147D3

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #342A9B

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

Preview Lab → · Contrast checker → · Palette generator →