#345BC5#345BC5

#345BC5 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.5% C 0.172 H 265.4°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#345BC5
RGB	rgb(52, 91, 197)
HSL	hsl(224, 58%, 49%)
HSV	hsv(224, 74%, 77%)
CMYK	cmyk(73.6%, 53.8%, 0%, 22.7%)
CIE-LAB	lab(41.60, 23.32, -59.37)
CIE-LCH	lch(41.60, 63.78, 291.45°)
OKLab	oklab(50.5% -0.0138 -0.171)
OKLCH	oklch(50.5% 0.172 265.4)
XYZ	xyz(15.2318, 12.2418, 54.3727)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BC5 #C59E34

analogous

#34A4C5 #345BC5 #5634C5

triadic

#345BC5 #C5345B #5BC534

tetradic

#345BC5 #C534A4 #C59E34 #34C556

square

#345BC5 #C534A4 #C59E34 #34C556

split-complementary

#345BC5 #C55634 #A4C534

monochromatic

#1A2E64 #274595 #345BC5 #6180D5 #91A7E2

Accessibility & contrast

On white

6.09

#345BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#345BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BC5

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BC5	#FFFFFF	#000000	##FFFFFF
##345BC5	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0369C9

Deuteranopia (green-blind)

#005CC3

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #345bc5;
/* rgb */ color: rgb(52, 91, 197);
/* oklch */ color: oklch(50.5% 0.172 265.4);

Tailwind

colors: {
  custom: {
    50: '#7f88d7',
    500: '#345bc5',
    950: '#000000',
  },
}

SCSS

$custom: #345bc5;
$custom-light: #7f88d7;
$custom-dark: #000000;

JSON

{
  "hex": "#345bc5",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 197
  },
  "hsl": {
    "h": 223.862,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50496,
    "c": 0.17154,
    "h": 265.4
  },
  "luminance": 0.12243
}

Semantic roles & 50–950 ramp

primary

#345BC5

secondary

#CDBA88

accent

#B846E1

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #345BC5

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

Preview Lab → · Contrast checker → · Palette generator →