#345CBC#345CBC

#345CBC is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.158 H 264.4°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#345CBC
RGB	rgb(52, 92, 188)
HSL	hsl(222, 57%, 47%)
HSV	hsv(222, 72%, 74%)
CMYK	cmyk(72.3%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(41.24, 19.32, -54.72)
CIE-LCH	lch(41.24, 58.03, 289.45°)
OKLab	oklab(50.02% -0.0155 -0.1573)
OKLCH	oklch(50.02% 0.158 264.4)
XYZ	xyz(14.3172, 12.0137, 49.1315)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345CBC #BC9434

analogous

#34A0BC #345CBC #5034BC

triadic

#345CBC #BC345C #5CBC34

tetradic

#345CBC #BC34A0 #BC9434 #34BC50

square

#345CBC #BC34A0 #BC9434 #34BC50

split-complementary

#345CBC #BC5034 #A0BC34

monochromatic

#192D5C #27458C #345CBC #5B7ED2 #8BA4DF

Accessibility & contrast

On white

6.17

#345CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#345CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345CBC

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345CBC	#FFFFFF	#000000	##FFFFFF
##345CBC	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2168BF

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345cbc;
/* rgb */ color: rgb(52, 92, 188);
/* oklch */ color: oklch(50.0% 0.158 264.4);

Tailwind

colors: {
  custom: {
    50: '#7d89d1',
    500: '#345cbc',
    950: '#000000',
  },
}

SCSS

$custom: #345cbc;
$custom-light: #7d89d1;
$custom-dark: #000000;

JSON

{
  "hex": "#345cbc",
  "rgb": {
    "r": 52,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 222.353,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50022,
    "c": 0.15804,
    "h": 264.4
  },
  "luminance": 0.12015
}

Semantic roles & 50–950 ramp

primary

#345CBC

secondary

#C9B483

accent

#B348E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345CBC

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

Preview Lab → · Contrast checker → · Palette generator →