#345BC1#345BC1

#345BC1 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.2% C 0.166 H 265.1°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#345BC1
RGB	rgb(52, 91, 193)
HSL	hsl(223, 58%, 48%)
HSV	hsv(223, 73%, 76%)
CMYK	cmyk(73.1%, 52.8%, 0%, 24.3%)
CIE-LAB	lab(41.31, 21.83, -57.51)
CIE-LCH	lch(41.31, 61.51, 290.79°)
OKLab	oklab(50.19% -0.0141 -0.1655)
OKLCH	oklch(50.19% 0.166 265.1)
XYZ	xyz(14.7795, 12.0609, 51.9908)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BC1 #C19A34

analogous

#34A1C1 #345BC1 #5334C1

triadic

#345BC1 #C1345B #5BC134

tetradic

#345BC1 #C134A1 #C19A34 #34C153

square

#345BC1 #C134A1 #C19A34 #34C153

split-complementary

#345BC1 #C15334 #A1C134

monochromatic

#1A2E61 #274491 #345BC1 #5E7FD4 #8FA5E1

Accessibility & contrast

On white

6.15

#345BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#345BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BC1

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BC1	#FFFFFF	#000000	##FFFFFF
##345BC1	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1268C5

Deuteranopia (green-blind)

#005BBF

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345bc1;
/* rgb */ color: rgb(52, 91, 193);
/* oklch */ color: oklch(50.2% 0.166 265.1);

Tailwind

colors: {
  custom: {
    50: '#7e88d4',
    500: '#345bc1',
    950: '#000000',
  },
}

SCSS

$custom: #345bc1;
$custom-light: #7e88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#345bc1",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 193
  },
  "hsl": {
    "h": 223.404,
    "s": 57.551,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50189,
    "c": 0.1661,
    "h": 265.1
  },
  "luminance": 0.12062
}

Semantic roles & 50–950 ramp

primary

#345BC1

secondary

#CBB886

accent

#B647E1

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #345BC1

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

Preview Lab → · Contrast checker → · Palette generator →