#34578D#34578D

#34578D is a mid, moderate blue. Relative luminance 0.095; OKLCH L 45.7% C 0.098 H 258.8°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#34578D
RGB	rgb(52, 87, 141)
HSL	hsl(216, 46%, 38%)
HSV	hsv(216, 63%, 55%)
CMYK	cmyk(63.1%, 38.3%, 0%, 44.7%)
CIE-LAB	lab(36.87, 5.20, -33.73)
CIE-LCH	lch(36.87, 34.13, 278.77°)
OKLab	oklab(45.72% -0.019 -0.0957)
OKLCH	oklch(45.72% 0.098 258.8)
XYZ	xyz(9.6304, 9.4687, 26.5143)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34578D #8D6A34

analogous

#34848D #34578D #3D348D

triadic

#34578D #8D3457 #578D34

tetradic

#34578D #8D3484 #8D6A34 #348D3D

square

#34578D #8D3484 #8D6A34 #348D3D

split-complementary

#34578D #8D3D34 #848D34

monochromatic

#132034 #243B60 #34578D #4473BA #7194CB

Accessibility & contrast

On white

7.26

#34578D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#34578D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34578D

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34578D	#FFFFFF	#000000	##FFFFFF
##34578D	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405B8F

Deuteranopia (green-blind)

#34538C

Tritanopia (blue-blind)

#00636B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #34578d;
/* rgb */ color: rgb(52, 87, 141);
/* oklch */ color: oklch(45.7% 0.098 258.8);

Tailwind

colors: {
  custom: {
    50: '#7486ae',
    500: '#34578d',
    950: '#000000',
  },
}

SCSS

$custom: #34578d;
$custom-light: #7486ae;
$custom-dark: #000000;

JSON

{
  "hex": "#34578d",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 141
  },
  "hsl": {
    "h": 216.404,
    "s": 46.114,
    "l": 37.843
  },
  "oklch": {
    "l": 0.45721,
    "c": 0.09758,
    "h": 258.8
  },
  "luminance": 0.0947
}

Semantic roles & 50–950 ramp

primary

#34578D

secondary

#B3966A

accent

#A252D6

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #34578D

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

Preview Lab → · Contrast checker → · Palette generator →