#345AB9#345AB9

#345AB9 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.156 H 264.8°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#345AB9
RGB	rgb(52, 90, 185)
HSL	hsl(223, 56%, 46%)
HSV	hsv(223, 72%, 73%)
CMYK	cmyk(71.9%, 51.4%, 0%, 27.5%)
CIE-LAB	lab(40.48, 19.51, -54.18)
CIE-LCH	lch(40.48, 57.59, 289.80°)
OKLab	oklab(49.38% -0.0141 -0.1557)
OKLCH	oklch(49.38% 0.156 264.8)
XYZ	xyz(13.8262, 11.5437, 47.3890)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AB9 #B99334

analogous

#349DB9 #345AB9 #5134B9

triadic

#345AB9 #B9345A #5AB934

tetradic

#345AB9 #B9349D #B99334 #34B951

square

#345AB9 #B9349D #B99334 #34B951

split-complementary

#345AB9 #B95134 #9DB934

monochromatic

#192C59 #274389 #345AB9 #5A7CD1 #89A2DE

Accessibility & contrast

On white

6.35

#345AB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#345AB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AB9

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AB9	#FFFFFF	#000000	##FFFFFF
##345AB9	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F66BC

Deuteranopia (green-blind)

#005AB7

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #345ab9;
/* rgb */ color: rgb(52, 90, 185);
/* oklch */ color: oklch(49.4% 0.156 264.8);

Tailwind

colors: {
  custom: {
    50: '#7c88cf',
    500: '#345ab9',
    950: '#000000',
  },
}

SCSS

$custom: #345ab9;
$custom-light: #7c88cf;
$custom-dark: #000000;

JSON

{
  "hex": "#345ab9",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 185
  },
  "hsl": {
    "h": 222.857,
    "s": 56.118,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49381,
    "c": 0.15639,
    "h": 264.8
  },
  "luminance": 0.11545
}

Semantic roles & 50–950 ramp

primary

#345AB9

secondary

#C8B481

accent

#B448DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345AB9

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

Preview Lab → · Contrast checker → · Palette generator →