#345EB3#345EB3

#345EB3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.8% C 0.143 H 262.6°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#345EB3
RGB	rgb(52, 94, 179)
HSL	hsl(220, 55%, 45%)
HSV	hsv(220, 71%, 70%)
CMYK	cmyk(70.9%, 47.5%, 0%, 29.8%)
CIE-LAB	lab(41.20, 14.67, -49.51)
CIE-LCH	lch(41.20, 51.64, 286.51°)
OKLab	oklab(49.8% -0.0184 -0.1419)
OKLCH	oklch(49.8% 0.143 262.6)
XYZ	xyz(13.5527, 11.9887, 44.2389)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345EB3 #B38934

analogous

#349EB3 #345EB3 #4934B3

triadic

#345EB3 #B3345E #5EB334

tetradic

#345EB3 #B3349E #B38934 #34B349

square

#345EB3 #B3349E #B38934 #34B349

split-complementary

#345EB3 #B34934 #9EB334

monochromatic

#182C54 #264584 #345EB3 #567ECE #86A2DC

Accessibility & contrast

On white

6.18

#345EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#345EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345EB3

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345EB3	#FFFFFF	#000000	##FFFFFF
##345EB3	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3167B6

Deuteranopia (green-blind)

#125CB1

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345eb3;
/* rgb */ color: rgb(52, 94, 179);
/* oklch */ color: oklch(49.8% 0.143 262.6);

Tailwind

colors: {
  custom: {
    50: '#7b8bca',
    500: '#345eb3',
    950: '#000000',
  },
}

SCSS

$custom: #345eb3;
$custom-light: #7b8bca;
$custom-dark: #000000;

JSON

{
  "hex": "#345eb3",
  "rgb": {
    "r": 52,
    "g": 94,
    "b": 179
  },
  "hsl": {
    "h": 220.157,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.498,
    "c": 0.14312,
    "h": 262.6
  },
  "luminance": 0.1199
}

Semantic roles & 50–950 ramp

primary

#345EB3

secondary

#C5AE7D

accent

#AD49DE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #345EB3

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

Preview Lab → · Contrast checker → · Palette generator →