#345FC5#345FC5

#345FC5 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.167 H 264.2°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#345FC5
RGB	rgb(52, 95, 197)
HSL	hsl(222, 58%, 49%)
HSV	hsv(222, 74%, 77%)
CMYK	cmyk(73.6%, 51.8%, 0%, 22.7%)
CIE-LAB	lab(42.68, 20.73, -57.62)
CIE-LCH	lch(42.68, 61.23, 289.79°)
OKLab	oklab(51.32% -0.017 -0.1658)
OKLCH	oklch(51.32% 0.167 264.2)
XYZ	xyz(15.5829, 12.9440, 54.4897)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FC5 #C59A34

analogous

#34A8C5 #345FC5 #5234C5

triadic

#345FC5 #C5345F #5FC534

tetradic

#345FC5 #C534A8 #C59A34 #34C552

square

#345FC5 #C534A8 #C59A34 #34C552

split-complementary

#345FC5 #C55234 #A8C534

monochromatic

#1A3064 #274895 #345FC5 #6183D5 #91A9E2

Accessibility & contrast

On white

5.85

#345FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#345FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FC5

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FC5	#FFFFFF	#000000	##FFFFFF
##345FC5	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C6CC9

Deuteranopia (green-blind)

#005EC3

Tritanopia (blue-blind)

#007889

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #345fc5;
/* rgb */ color: rgb(52, 95, 197);
/* oklch */ color: oklch(51.3% 0.167 264.2);

Tailwind

colors: {
  custom: {
    50: '#7f8bd7',
    500: '#345fc5',
    950: '#000000',
  },
}

SCSS

$custom: #345fc5;
$custom-light: #7f8bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#345fc5",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 197
  },
  "hsl": {
    "h": 222.207,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51315,
    "c": 0.16663,
    "h": 264.2
  },
  "luminance": 0.12946
}

Semantic roles & 50–950 ramp

primary

#345FC5

secondary

#CDB888

accent

#B346E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #345FC5

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

Preview Lab → · Contrast checker → · Palette generator →