#34377D#34377D

#34377D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.5% C 0.116 H 277.4°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#34377D
RGB	rgb(52, 55, 125)
HSL	hsl(238, 41%, 35%)
HSV	hsv(238, 58%, 49%)
CMYK	cmyk(58.4%, 56%, 0%, 51%)
CIE-LAB	lab(26.57, 20.79, -40.31)
CIE-LCH	lch(26.57, 45.36, 297.29°)
OKLab	oklab(37.52% 0.0149 -0.1154)
OKLCH	oklch(37.52% 0.116 277.4)
XYZ	xyz(6.4829, 4.9427, 20.0105)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34377D #7D7A34

analogous

#345C7D #34377D #55347D

triadic

#34377D #7D3437 #377D34

tetradic

#34377D #7D345C #7D7A34 #347D55

square

#34377D #7D345C #7D7A34 #347D55

split-complementary

#34377D #7D5534 #5C7D34

monochromatic

#101127 #222452 #34377D #464AA8 #6A6EC1

Accessibility & contrast

On white

10.56

#34377D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#34377D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34377D

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34377D	#FFFFFF	#000000	##FFFFFF
##34377D	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B427F

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#0C4754

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #34377d;
/* rgb */ color: rgb(52, 55, 125);
/* oklch */ color: oklch(37.5% 0.116 277.4);

Tailwind

colors: {
  custom: {
    50: '#726da3',
    500: '#34377d',
    950: '#000000',
  },
}

SCSS

$custom: #34377d;
$custom-light: #726da3;
$custom-dark: #000000;

JSON

{
  "hex": "#34377d",
  "rgb": {
    "r": 52,
    "g": 55,
    "b": 125
  },
  "hsl": {
    "h": 237.534,
    "s": 41.243,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37521,
    "c": 0.11637,
    "h": 277.4
  },
  "luminance": 0.04943
}

Semantic roles & 50–950 ramp

primary

#34377D

secondary

#A9A664

accent

#CC57D1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #34377D

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

Preview Lab → · Contrast checker → · Palette generator →