#345AB1#345AB1

#345AB1 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.145 H 264.0°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#345AB1
RGB	rgb(52, 90, 177)
HSL	hsl(222, 55%, 45%)
HSV	hsv(222, 71%, 69%)
CMYK	cmyk(70.6%, 49.2%, 0%, 30.6%)
CIE-LAB	lab(39.94, 16.53, -50.36)
CIE-LCH	lch(39.94, 53.00, 288.17°)
OKLab	oklab(48.8% -0.0151 -0.1445)
OKLCH	oklch(48.8% 0.145 264)
XYZ	xyz(13.0054, 11.2154, 43.0658)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AB1 #B18B34

analogous

#3499B1 #345AB1 #4D34B1

triadic

#345AB1 #B1345A #5AB134

tetradic

#345AB1 #B13499 #B18B34 #34B14D

square

#345AB1 #B13499 #B18B34 #34B14D

split-complementary

#345AB1 #B14D34 #99B134

monochromatic

#182A52 #264282 #345AB1 #557ACD #849FDB

Accessibility & contrast

On white

6.47

#345AB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#345AB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AB1

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AB1	#FFFFFF	#000000	##FFFFFF
##345AB1	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A64B4

Deuteranopia (green-blind)

#0159AF

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #345ab1;
/* rgb */ color: rgb(52, 90, 177);
/* oklch */ color: oklch(48.8% 0.145 264.0);

Tailwind

colors: {
  custom: {
    50: '#7b88c9',
    500: '#345ab1',
    950: '#000000',
  },
}

SCSS

$custom: #345ab1;
$custom-light: #7b88c9;
$custom-dark: #000000;

JSON

{
  "hex": "#345ab1",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 177
  },
  "hsl": {
    "h": 221.76,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48796,
    "c": 0.14528,
    "h": 264
  },
  "luminance": 0.11217
}

Semantic roles & 50–950 ramp

primary

#345AB1

secondary

#C5AF7C

accent

#B14ADE

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #345AB1

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

Preview Lab → · Contrast checker → · Palette generator →