#345EC5#345EC5

#345EC5 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.168 H 264.5°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#345EC5
RGB	rgb(52, 94, 197)
HSL	hsl(223, 58%, 49%)
HSV	hsv(223, 74%, 77%)
CMYK	cmyk(73.6%, 52.3%, 0%, 22.7%)
CIE-LAB	lab(42.41, 21.38, -58.06)
CIE-LCH	lch(42.41, 61.87, 290.21°)
OKLab	oklab(51.11% -0.0162 -0.1671)
OKLCH	oklch(51.11% 0.168 264.5)
XYZ	xyz(15.4934, 12.7650, 54.4599)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345EC5 #C59B34

analogous

#34A7C5 #345EC5 #5334C5

triadic

#345EC5 #C5345E #5EC534

tetradic

#345EC5 #C534A7 #C59B34 #34C553

square

#345EC5 #C534A7 #C59B34 #34C553

split-complementary

#345EC5 #C55334 #A7C534

monochromatic

#1A3064 #274795 #345EC5 #6183D5 #91A9E2

Accessibility & contrast

On white

5.91

#345EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#345EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345EC5

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345EC5	#FFFFFF	#000000	##FFFFFF
##345EC5	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#176BC9

Deuteranopia (green-blind)

#005EC3

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #345ec5;
/* rgb */ color: rgb(52, 94, 197);
/* oklch */ color: oklch(51.1% 0.168 264.5);

Tailwind

colors: {
  custom: {
    50: '#7f8bd7',
    500: '#345ec5',
    950: '#000000',
  },
}

SCSS

$custom: #345ec5;
$custom-light: #7f8bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#345ec5",
  "rgb": {
    "r": 52,
    "g": 94,
    "b": 197
  },
  "hsl": {
    "h": 222.621,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51108,
    "c": 0.16785,
    "h": 264.5
  },
  "luminance": 0.12767
}

Semantic roles & 50–950 ramp

primary

#345EC5

secondary

#CDB988

accent

#B546E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #345EC5

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

Preview Lab → · Contrast checker → · Palette generator →