#34578F#34578F

#34578F is a mid, moderate blue. Relative luminance 0.095; OKLCH L 45.8% C 0.100 H 259.4°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#34578F
RGB	rgb(52, 87, 143)
HSL	hsl(217, 47%, 38%)
HSV	hsv(217, 64%, 56%)
CMYK	cmyk(63.6%, 39.2%, 0%, 43.9%)
CIE-LAB	lab(36.98, 5.93, -34.77)
CIE-LCH	lch(36.98, 35.27, 279.68°)
OKLab	oklab(45.85% -0.0185 -0.0988)
OKLCH	oklch(45.85% 0.1 259.4)
XYZ	xyz(9.7805, 9.5287, 27.3051)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34578F #8F6C34

analogous

#34848F #34578F #3E348F

triadic

#34578F #8F3457 #578F34

tetradic

#34578F #8F3484 #8F6C34 #348F3E

square

#34578F #8F3484 #8F6C34 #348F3E

split-complementary

#34578F #8F3E34 #848F34

monochromatic

#132035 #243C62 #34578F #4572BB #7294CC

Accessibility & contrast

On white

7.23

#34578F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#34578F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34578F

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34578F	#FFFFFF	#000000	##FFFFFF
##34578F	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5C91

Deuteranopia (green-blind)

#32538E

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #34578f;
/* rgb */ color: rgb(52, 87, 143);
/* oklch */ color: oklch(45.8% 0.100 259.4);

Tailwind

colors: {
  custom: {
    50: '#7486b0',
    500: '#34578f',
    950: '#000000',
  },
}

SCSS

$custom: #34578f;
$custom-light: #7486b0;
$custom-dark: #000000;

JSON

{
  "hex": "#34578f",
  "rgb": {
    "r": 52,
    "g": 87,
    "b": 143
  },
  "hsl": {
    "h": 216.923,
    "s": 46.667,
    "l": 38.235
  },
  "oklch": {
    "l": 0.45845,
    "c": 0.10047,
    "h": 259.4
  },
  "luminance": 0.0953
}

Semantic roles & 50–950 ramp

primary

#34578F

secondary

#B4986B

accent

#A351D6

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #34578F

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

Preview Lab → · Contrast checker → · Palette generator →