#345EB4#345EB4

#345EB4 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.9% C 0.145 H 262.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#345EB4
RGB	rgb(52, 94, 180)
HSL	hsl(220, 55%, 45%)
HSV	hsv(220, 71%, 71%)
CMYK	cmyk(71.1%, 47.8%, 0%, 29.4%)
CIE-LAB	lab(41.26, 15.04, -50.00)
CIE-LCH	lch(41.26, 52.21, 286.75°)
OKLab	oklab(49.87% -0.0183 -0.1433)
OKLCH	oklch(49.87% 0.145 262.7)
XYZ	xyz(13.6542, 12.0293, 44.7735)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345EB4 #B48A34

analogous

#349EB4 #345EB4 #4A34B4

triadic

#345EB4 #B4345E #5EB434

tetradic

#345EB4 #B4349E #B48A34 #34B44A

square

#345EB4 #B4349E #B48A34 #34B44A

split-complementary

#345EB4 #B44A34 #9EB434

monochromatic

#192C55 #264585 #345EB4 #577ECE #86A2DC

Accessibility & contrast

On white

6.17

#345EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#345EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345EB4

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345EB4	#FFFFFF	#000000	##FFFFFF
##345EB4	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B7

Deuteranopia (green-blind)

#0F5CB2

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345eb4;
/* rgb */ color: rgb(52, 94, 180);
/* oklch */ color: oklch(49.9% 0.145 262.7);

Tailwind

colors: {
  custom: {
    50: '#7b8bcb',
    500: '#345eb4',
    950: '#000000',
  },
}

SCSS

$custom: #345eb4;
$custom-light: #7b8bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#345eb4",
  "rgb": {
    "r": 52,
    "g": 94,
    "b": 180
  },
  "hsl": {
    "h": 220.313,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49871,
    "c": 0.14451,
    "h": 262.7
  },
  "luminance": 0.12031
}

Semantic roles & 50–950 ramp

primary

#345EB4

secondary

#C6AE7E

accent

#AE49DF

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345EB4

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

Preview Lab → · Contrast checker → · Palette generator →