#345CA3#345CA3

#345CA3 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.3% C 0.123 H 261.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#345CA3
RGB	rgb(52, 92, 163)
HSL	hsl(218, 52%, 42%)
HSV	hsv(218, 68%, 64%)
CMYK	cmyk(68.1%, 43.6%, 0%, 36.1%)
CIE-LAB	lab(39.63, 10.03, -42.58)
CIE-LCH	lch(39.63, 43.74, 283.25°)
OKLab	oklab(48.27% -0.0193 -0.1216)
OKLCH	oklch(48.27% 0.123 261)
XYZ	xyz(11.8518, 11.0275, 36.1472)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CA3 #A37B34

analogous

#3494A3 #345CA3 #4334A3

triadic

#345CA3 #A3345C #5CA334

tetradic

#345CA3 #A33494 #A37B34 #34A343

square

#345CA3 #A33494 #A37B34 #34A343

split-complementary

#345CA3 #A34334 #94A334

monochromatic

#162846 #254275 #345CA3 #4E79C6 #7C9CD5

Accessibility & contrast

On white

6.55

#345CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#345CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CA3

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CA3	#FFFFFF	#000000	##FFFFFF
##345CA3	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A63A6

Deuteranopia (green-blind)

#2859A2

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #345ca3;
/* rgb */ color: rgb(52, 92, 163);
/* oklch */ color: oklch(48.3% 0.123 261.0);

Tailwind

colors: {
  custom: {
    50: '#7889bf',
    500: '#345ca3',
    950: '#000000',
  },
}

SCSS

$custom: #345ca3;
$custom-light: #7889bf;
$custom-dark: #000000;

JSON

{
  "hex": "#345ca3",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 163
  },
  "hsl": {
    "h": 218.378,
    "s": 51.628,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4827,
    "c": 0.1231,
    "h": 261
  },
  "luminance": 0.11029
}

Semantic roles & 50–950 ramp

primary

#345CA3

secondary

#BEA475

accent

#A84DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345CA3

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

Preview Lab → · Contrast checker → · Palette generator →