#345BB8#345BB8

#345BB8 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.5% C 0.154 H 264.4°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#345BB8
RGB	rgb(52, 91, 184)
HSL	hsl(222, 56%, 46%)
HSV	hsv(222, 72%, 72%)
CMYK	cmyk(71.7%, 50.5%, 0%, 27.8%)
CIE-LAB	lab(40.69, 18.48, -53.26)
CIE-LCH	lch(40.69, 56.38, 289.14°)
OKLab	oklab(49.52% -0.0151 -0.153)
OKLCH	oklch(49.52% 0.154 264.4)
XYZ	xyz(13.8059, 11.6715, 46.8633)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345BB8 #B89134

analogous

#349DB8 #345BB8 #4F34B8

triadic

#345BB8 #B8345B #5BB834

tetradic

#345BB8 #B8349D #B89134 #34B84F

square

#345BB8 #B8349D #B89134 #34B84F

split-complementary

#345BB8 #B84F34 #9DB834

monochromatic

#192C59 #274388 #345BB8 #597CD0 #89A2DE

Accessibility & contrast

On white

6.30

#345BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#345BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345BB8

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345BB8	#FFFFFF	#000000	##FFFFFF
##345BB8	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2366BB

Deuteranopia (green-blind)

#005AB6

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #345bb8;
/* rgb */ color: rgb(52, 91, 184);
/* oklch */ color: oklch(49.5% 0.154 264.4);

Tailwind

colors: {
  custom: {
    50: '#7c88ce',
    500: '#345bb8',
    950: '#000000',
  },
}

SCSS

$custom: #345bb8;
$custom-light: #7c88ce;
$custom-dark: #000000;

JSON

{
  "hex": "#345bb8",
  "rgb": {
    "r": 52,
    "g": 91,
    "b": 184
  },
  "hsl": {
    "h": 222.273,
    "s": 55.932,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49517,
    "c": 0.15376,
    "h": 264.4
  },
  "luminance": 0.11673
}

Semantic roles & 50–950 ramp

primary

#345BB8

secondary

#C8B280

accent

#B349DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #345BB8

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

Preview Lab → · Contrast checker → · Palette generator →