#345CC0#345CC0

#345CC0 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.3% C 0.164 H 264.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#345CC0
RGB	rgb(52, 92, 192)
HSL	hsl(223, 57%, 48%)
HSV	hsv(223, 73%, 75%)
CMYK	cmyk(72.9%, 52.1%, 0%, 24.7%)
CIE-LAB	lab(41.51, 20.81, -56.60)
CIE-LCH	lch(41.51, 60.30, 290.19°)
OKLab	oklab(50.32% -0.015 -0.1628)
OKLCH	oklch(50.32% 0.164 264.7)
XYZ	xyz(14.7544, 12.1885, 51.4340)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CC0 #C09834

analogous

#34A2C0 #345CC0 #5234C0

triadic

#345CC0 #C0345C #5CC034

tetradic

#345CC0 #C034A2 #C09834 #34C052

square

#345CC0 #C034A2 #C09834 #34C052

split-complementary

#345CC0 #C05234 #A2C034

monochromatic

#1A2E60 #274590 #345CC0 #5E7FD3 #8EA6E0

Accessibility & contrast

On white

6.11

#345CC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#345CC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CC0

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CC0	#FFFFFF	#000000	##FFFFFF
##345CC0	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1969C4

Deuteranopia (green-blind)

#005CBE

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #345cc0;
/* rgb */ color: rgb(52, 92, 192);
/* oklch */ color: oklch(50.3% 0.164 264.7);

Tailwind

colors: {
  custom: {
    50: '#7e89d4',
    500: '#345cc0',
    950: '#000000',
  },
}

SCSS

$custom: #345cc0;
$custom-light: #7e89d4;
$custom-dark: #000000;

JSON

{
  "hex": "#345cc0",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 192
  },
  "hsl": {
    "h": 222.857,
    "s": 57.377,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5032,
    "c": 0.16351,
    "h": 264.7
  },
  "luminance": 0.1219
}

Semantic roles & 50–950 ramp

primary

#345CC0

secondary

#CBB785

accent

#B547E1

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #345CC0

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

Preview Lab → · Contrast checker → · Palette generator →