#345FB1#345FB1

#345FB1 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.9% C 0.139 H 261.9°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#345FB1
RGB	rgb(52, 95, 177)
HSL	hsl(219, 55%, 45%)
HSV	hsv(219, 71%, 69%)
CMYK	cmyk(70.6%, 46.3%, 0%, 30.6%)
CIE-LAB	lab(41.35, 13.28, -48.09)
CIE-LCH	lch(41.35, 49.89, 285.44°)
OKLab	oklab(49.88% -0.0197 -0.1377)
OKLCH	oklch(49.88% 0.139 261.9)
XYZ	xyz(13.4414, 12.0874, 43.2112)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FB1 #B18634

analogous

#349EB1 #345FB1 #4834B1

triadic

#345FB1 #B1345F #5FB134

tetradic

#345FB1 #B1349E #B18634 #34B148

square

#345FB1 #B1349E #B18634 #34B148

split-complementary

#345FB1 #B14834 #9EB134

monochromatic

#182C52 #264682 #345FB1 #557ECD #84A2DB

Accessibility & contrast

On white

6.14

#345FB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#345FB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FB1

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FB1	#FFFFFF	#000000	##FFFFFF
##345FB1	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3568B4

Deuteranopia (green-blind)

#1B5CAF

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #345fb1;
/* rgb */ color: rgb(52, 95, 177);
/* oklch */ color: oklch(49.9% 0.139 261.9);

Tailwind

colors: {
  custom: {
    50: '#7b8bc9',
    500: '#345fb1',
    950: '#000000',
  },
}

SCSS

$custom: #345fb1;
$custom-light: #7b8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#345fb1",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 177
  },
  "hsl": {
    "h": 219.36,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4988,
    "c": 0.13912,
    "h": 261.9
  },
  "luminance": 0.12089
}

Semantic roles & 50–950 ramp

primary

#345FB1

secondary

#C5AC7C

accent

#AB4ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #345FB1

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

Preview Lab → · Contrast checker → · Palette generator →