#345CC9#345CC9

#345CC9 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.176 H 265.3°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#345CC9
RGB	rgb(52, 92, 201)
HSL	hsl(224, 59%, 50%)
HSV	hsv(224, 74%, 79%)
CMYK	cmyk(74.1%, 54.2%, 0%, 21.2%)
CIE-LAB	lab(42.15, 24.16, -60.78)
CIE-LCH	lch(42.15, 65.40, 291.67°)
OKLab	oklab(51.01% -0.0143 -0.1751)
OKLCH	oklch(51.01% 0.176 265.3)
XYZ	xyz(15.7822, 12.5997, 56.8472)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CC9 #C9A134

analogous

#34A6C9 #345CC9 #5734C9

triadic

#345CC9 #C9345C #5CC934

tetradic

#345CC9 #C934A6 #C9A134 #34C957

square

#345CC9 #C934A6 #C9A134 #34C957

split-complementary

#345CC9 #C95734 #A6C934

monochromatic

#1B2F68 #274698 #345CC9 #6382D7 #94A9E3

Accessibility & contrast

On white

5.97

#345CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#345CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CC9

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CC9	#FFFFFF	#000000	##FFFFFF
##345CC9	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCD

Deuteranopia (green-blind)

#005DC7

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #345cc9;
/* rgb */ color: rgb(52, 92, 201);
/* oklch */ color: oklch(51.0% 0.176 265.3);

Tailwind

colors: {
  custom: {
    50: '#8089da',
    500: '#345cc9',
    950: '#000000',
  },
}

SCSS

$custom: #345cc9;
$custom-light: #8089da;
$custom-dark: #000000;

JSON

{
  "hex": "#345cc9",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 201
  },
  "hsl": {
    "h": 223.893,
    "s": 58.893,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51007,
    "c": 0.1757,
    "h": 265.3
  },
  "luminance": 0.12601
}

Semantic roles & 50–950 ramp

primary

#345CC9

secondary

#CEBC8A

accent

#B846E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345CC9

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

Preview Lab → · Contrast checker → · Palette generator →