#345DB4#345DB4

#345DB4 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.7% C 0.146 H 263.2°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#345DB4
RGB	rgb(52, 93, 180)
HSL	hsl(221, 55%, 45%)
HSV	hsv(221, 71%, 71%)
CMYK	cmyk(71.1%, 48.3%, 0%, 29.4%)
CIE-LAB	lab(40.98, 15.69, -50.45)
CIE-LCH	lch(40.98, 52.83, 287.28°)
OKLab	oklab(49.66% -0.0174 -0.1447)
OKLCH	oklch(49.66% 0.146 263.2)
XYZ	xyz(13.5658, 11.8526, 44.7440)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345DB4 #B48B34

analogous

#349DB4 #345DB4 #4B34B4

triadic

#345DB4 #B4345D #5DB434

tetradic

#345DB4 #B4349D #B48B34 #34B44B

square

#345DB4 #B4349D #B48B34 #34B44B

split-complementary

#345DB4 #B44B34 #9DB434

monochromatic

#192C55 #264485 #345DB4 #577DCE #86A2DC

Accessibility & contrast

On white

6.23

#345DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#345DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345DB4

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345DB4	#FFFFFF	#000000	##FFFFFF
##345DB4	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E67B7

Deuteranopia (green-blind)

#095BB2

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345db4;
/* rgb */ color: rgb(52, 93, 180);
/* oklch */ color: oklch(49.7% 0.146 263.2);

Tailwind

colors: {
  custom: {
    50: '#7b8acb',
    500: '#345db4',
    950: '#000000',
  },
}

SCSS

$custom: #345db4;
$custom-light: #7b8acb;
$custom-dark: #000000;

JSON

{
  "hex": "#345db4",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 180
  },
  "hsl": {
    "h": 220.781,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49655,
    "c": 0.14574,
    "h": 263.2
  },
  "luminance": 0.11854
}

Semantic roles & 50–950 ramp

primary

#345DB4

secondary

#C6AF7E

accent

#AF49DF

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345DB4

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

Preview Lab → · Contrast checker → · Palette generator →