#345C99#345C99

#345C99 is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.6% C 0.109 H 258.6°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#345C99
RGB	rgb(52, 92, 153)
HSL	hsl(216, 49%, 40%)
HSV	hsv(216, 66%, 60%)
CMYK	cmyk(66%, 39.9%, 0%, 40%)
CIE-LAB	lab(39.04, 6.35, -37.54)
CIE-LCH	lch(39.04, 38.07, 279.60°)
OKLab	oklab(47.63% -0.0215 -0.1068)
OKLCH	oklch(47.63% 0.109 258.6)
XYZ	xyz(10.9910, 10.6832, 31.6137)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345C99 #997134

analogous

#348E99 #345C99 #3F3499

triadic

#345C99 #99345C #5C9934

tetradic

#345C99 #99348E #997134 #34993F

square

#345C99 #99348E #997134 #34993F

split-complementary

#345C99 #993F34 #8E9934

monochromatic

#15253E #24416B #345C99 #4979C1 #779AD1

Accessibility & contrast

On white

6.69

#345C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#345C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345C99

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345C99	#FFFFFF	#000000	##FFFFFF
##345C99	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41619B

Deuteranopia (green-blind)

#325898

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #345c99;
/* rgb */ color: rgb(52, 92, 153);
/* oklch */ color: oklch(47.6% 0.109 258.6);

Tailwind

colors: {
  custom: {
    50: '#7689b7',
    500: '#345c99',
    950: '#000000',
  },
}

SCSS

$custom: #345c99;
$custom-light: #7689b7;
$custom-dark: #000000;

JSON

{
  "hex": "#345c99",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 153
  },
  "hsl": {
    "h": 216.238,
    "s": 49.268,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47627,
    "c": 0.10892,
    "h": 258.6
  },
  "luminance": 0.10684
}

Semantic roles & 50–950 ramp

primary

#345C99

secondary

#B99C70

accent

#A24FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #345C99

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

Preview Lab → · Contrast checker → · Palette generator →