#345D99#345D99

#345D99 is a mid, moderate blue. Relative luminance 0.109; OKLCH L 47.9% C 0.108 H 257.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#345D99
RGB	rgb(52, 93, 153)
HSL	hsl(216, 49%, 40%)
HSV	hsv(216, 66%, 60%)
CMYK	cmyk(66%, 39.2%, 0%, 40%)
CIE-LAB	lab(39.34, 5.71, -37.06)
CIE-LCH	lch(39.34, 37.50, 278.75°)
OKLab	oklab(47.86% -0.0226 -0.1054)
OKLCH	oklch(47.86% 0.108 257.9)
XYZ	xyz(11.0782, 10.8576, 31.6427)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345D99 #997034

analogous

#348F99 #345D99 #3E3499

triadic

#345D99 #99345D #5D9934

tetradic

#345D99 #99348F #997034 #34993E

square

#345D99 #99348F #997034 #34993E

split-complementary

#345D99 #993E34 #8F9934

monochromatic

#15253E #24416B #345D99 #497AC1 #779BD1

Accessibility & contrast

On white

6.62

#345D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#345D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345D99

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345D99	#FFFFFF	#000000	##FFFFFF
##345D99	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42629B

Deuteranopia (green-blind)

#345898

Tritanopia (blue-blind)

#006B73

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #345d99;
/* rgb */ color: rgb(52, 93, 153);
/* oklch */ color: oklch(47.9% 0.108 257.9);

Tailwind

colors: {
  custom: {
    50: '#768ab7',
    500: '#345d99',
    950: '#000000',
  },
}

SCSS

$custom: #345d99;
$custom-light: #768ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#345d99",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 153
  },
  "hsl": {
    "h": 215.644,
    "s": 49.268,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47858,
    "c": 0.10777,
    "h": 257.9
  },
  "luminance": 0.10859
}

Semantic roles & 50–950 ramp

primary

#345D99

secondary

#B99B70

accent

#A14FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #345D99

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

Preview Lab → · Contrast checker → · Palette generator →