#345B99#345B99

#345B99 is a mid, moderate blue. Relative luminance 0.105; OKLCH L 47.4% C 0.110 H 259.3°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#345B99
RGB	rgb(52, 91, 153)
HSL	hsl(217, 49%, 40%)
HSV	hsv(217, 66%, 60%)
CMYK	cmyk(66%, 40.5%, 0%, 40%)
CIE-LAB	lab(38.74, 6.99, -38.01)
CIE-LCH	lch(38.74, 38.65, 280.42°)
OKLab	oklab(47.4% -0.0204 -0.1082)
OKLCH	oklch(47.4% 0.11 259.3)
XYZ	xyz(10.9050, 10.5111, 31.5850)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345B99 #997234

analogous

#348D99 #345B99 #403499

triadic

#345B99 #99345B #5B9934

tetradic

#345B99 #99348D #997234 #349940

square

#345B99 #99348D #997234 #349940

split-complementary

#345B99 #994034 #8D9934

monochromatic

#15253E #24406B #345B99 #4977C1 #7799D1

Accessibility & contrast

On white

6.77

#345B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#345B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345B99

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345B99	#FFFFFF	#000000	##FFFFFF
##345B99	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F609B

Deuteranopia (green-blind)

#305798

Tritanopia (blue-blind)

#006972

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #345b99;
/* rgb */ color: rgb(52, 91, 153);
/* oklch */ color: oklch(47.4% 0.110 259.3);

Tailwind

colors: {
  custom: {
    50: '#7689b7',
    500: '#345b99',
    950: '#000000',
  },
}

SCSS

$custom: #345b99;
$custom-light: #7689b7;
$custom-dark: #000000;

JSON

{
  "hex": "#345b99",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 153
  },
  "hsl": {
    "h": 216.832,
    "s": 49.268,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47396,
    "c": 0.1101,
    "h": 259.3
  },
  "luminance": 0.10512
}

Semantic roles & 50–950 ramp

primary

#345B99

secondary

#B99D70

accent

#A44FD9

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #345B99

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

Preview Lab → · Contrast checker → · Palette generator →