#345BC9#345BC9

#345BC9 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.177 H 265.6°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#345BC9
RGB	rgb(52, 91, 201)
HSL	hsl(224, 59%, 50%)
HSV	hsv(224, 74%, 79%)
CMYK	cmyk(74.1%, 54.7%, 0%, 21.2%)
CIE-LAB	lab(41.89, 24.80, -61.21)
CIE-LCH	lch(41.89, 66.05, 292.06°)
OKLab	oklab(50.81% -0.0135 -0.1764)
OKLCH	oklch(50.81% 0.177 265.6)
XYZ	xyz(15.6962, 12.4276, 56.8185)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BC9 #C9A234

analogous

#34A6C9 #345BC9 #5734C9

triadic

#345BC9 #C9345B #5BC934

tetradic

#345BC9 #C934A6 #C9A234 #34C957

square

#345BC9 #C934A6 #C9A234 #34C957

split-complementary

#345BC9 #C95734 #A6C934

monochromatic

#1B2F68 #274598 #345BC9 #6382D7 #94A9E3

Accessibility & contrast

On white

6.02

#345BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#345BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BC9

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BC9	#FFFFFF	#000000	##FFFFFF
##345BC9	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACD

Deuteranopia (green-blind)

#005CC7

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #345bc9;
/* rgb */ color: rgb(52, 91, 201);
/* oklch */ color: oklch(50.8% 0.177 265.6);

Tailwind

colors: {
  custom: {
    50: '#8088da',
    500: '#345bc9',
    950: '#000000',
  },
}

SCSS

$custom: #345bc9;
$custom-light: #8088da;
$custom-dark: #000000;

JSON

{
  "hex": "#345bc9",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 201
  },
  "hsl": {
    "h": 224.295,
    "s": 58.893,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50806,
    "c": 0.17692,
    "h": 265.6
  },
  "luminance": 0.12429
}

Semantic roles & 50–950 ramp

primary

#345BC9

secondary

#CEBD8A

accent

#B946E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345BC9

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

Preview Lab → · Contrast checker → · Palette generator →