#345CCF#345CCF

#345CCF is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.5% C 0.184 H 265.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#345CCF
RGB	rgb(52, 92, 207)
HSL	hsl(225, 62%, 51%)
HSV	hsv(225, 75%, 81%)
CMYK	cmyk(74.9%, 55.6%, 0%, 18.8%)
CIE-LAB	lab(42.59, 26.38, -63.52)
CIE-LCH	lch(42.59, 68.78, 292.55°)
OKLab	oklab(51.48% -0.0138 -0.1832)
OKLCH	oklch(51.48% 0.184 265.7)
XYZ	xyz(16.5018, 12.8875, 60.6372)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CCF #CFA734

analogous

#34A9CF #345CCF #5934CF

triadic

#345CCF #CF345C #5CCF34

tetradic

#345CCF #CF34A9 #CFA734 #34CF59

square

#345CCF #CF34A9 #CFA734 #34CF59

split-complementary

#345CCF #CF5934 #A9CF34

monochromatic

#1A306E #2645A0 #345CCF #6584DB #97ABE6

Accessibility & contrast

On white

5.87

#345CCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#345CCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CCF

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CCF	#FFFFFF	#000000	##FFFFFF
##345CCF	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #345ccf;
/* rgb */ color: rgb(52, 92, 207);
/* oklch */ color: oklch(51.5% 0.184 265.7);

Tailwind

colors: {
  custom: {
    50: '#8189de',
    500: '#345ccf',
    950: '#000000',
  },
}

SCSS

$custom: #345ccf;
$custom-light: #8189de;
$custom-dark: #000000;

JSON

{
  "hex": "#345ccf",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 207
  },
  "hsl": {
    "h": 224.516,
    "s": 61.753,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51477,
    "c": 0.18371,
    "h": 265.7
  },
  "luminance": 0.12889
}

Semantic roles & 50–950 ramp

primary

#345CCF

secondary

#D2C08D

accent

#BB43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #345CCF

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

Preview Lab → · Contrast checker → · Palette generator →