#345CC3#345CC3

#345CC3 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.168 H 264.9°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#345CC3
RGB	rgb(52, 92, 195)
HSL	hsl(223, 58%, 48%)
HSV	hsv(223, 73%, 76%)
CMYK	cmyk(73.3%, 52.8%, 0%, 23.5%)
CIE-LAB	lab(41.72, 21.93, -58.00)
CIE-LCH	lch(41.72, 62.01, 290.71°)
OKLab	oklab(50.55% -0.0148 -0.1669)
OKLCH	oklch(50.55% 0.168 264.9)
XYZ	xyz(15.0902, 12.3229, 53.2024)
Luminance	0.1232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CC3 #C39B34

analogous

#34A3C3 #345CC3 #5334C3

triadic

#345CC3 #C3345C #5CC334

tetradic

#345CC3 #C334A3 #C39B34 #34C353

square

#345CC3 #C334A3 #C39B34 #34C353

split-complementary

#345CC3 #C35334 #A3C334

monochromatic

#1A2E62 #274593 #345CC3 #6080D5 #90A7E1

Accessibility & contrast

On white

6.06

#345CC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#345CC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CC3

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CC3	#FFFFFF	#000000	##FFFFFF
##345CC3	1.00	6.06	3.46	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1269C7

Deuteranopia (green-blind)

#005CC1

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #345cc3;
/* rgb */ color: rgb(52, 92, 195);
/* oklch */ color: oklch(50.5% 0.168 264.9);

Tailwind

colors: {
  custom: {
    50: '#7f89d6',
    500: '#345cc3',
    950: '#000000',
  },
}

SCSS

$custom: #345cc3;
$custom-light: #7f89d6;
$custom-dark: #000000;

JSON

{
  "hex": "#345cc3",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 195
  },
  "hsl": {
    "h": 223.217,
    "s": 57.895,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50546,
    "c": 0.16759,
    "h": 264.9
  },
  "luminance": 0.12324
}

Semantic roles & 50–950 ramp

primary

#345CC3

secondary

#CCB987

accent

#B647E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #345CC3

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

Preview Lab → · Contrast checker → · Palette generator →