#345FB0#345FB0

#345FB0 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.8% C 0.138 H 261.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#345FB0
RGB	rgb(52, 95, 176)
HSL	hsl(219, 54%, 45%)
HSV	hsv(219, 70%, 69%)
CMYK	cmyk(70.5%, 46%, 0%, 31%)
CIE-LAB	lab(41.29, 12.91, -47.60)
CIE-LCH	lch(41.29, 49.32, 285.17°)
OKLab	oklab(49.81% -0.0198 -0.1363)
OKLCH	oklch(49.81% 0.138 261.7)
XYZ	xyz(13.3421, 12.0477, 42.6882)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FB0 #B08534

analogous

#349DB0 #345FB0 #4734B0

triadic

#345FB0 #B0345F #5FB034

tetradic

#345FB0 #B0349D #B08534 #34B047

square

#345FB0 #B0349D #B08534 #34B047

split-complementary

#345FB0 #B04734 #9DB034

monochromatic

#182C52 #264581 #345FB0 #557ECD #84A2DB

Accessibility & contrast

On white

6.16

#345FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#345FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FB0

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FB0	#FFFFFF	#000000	##FFFFFF
##345FB0	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3667B3

Deuteranopia (green-blind)

#1D5CAE

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #345fb0;
/* rgb */ color: rgb(52, 95, 176);
/* oklch */ color: oklch(49.8% 0.138 261.7);

Tailwind

colors: {
  custom: {
    50: '#7a8bc8',
    500: '#345fb0',
    950: '#000000',
  },
}

SCSS

$custom: #345fb0;
$custom-light: #7a8bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#345fb0",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 219.194,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49811,
    "c": 0.13773,
    "h": 261.7
  },
  "luminance": 0.12049
}

Semantic roles & 50–950 ramp

primary

#345FB0

secondary

#C4AB7C

accent

#AB4ADE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #345FB0

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

Preview Lab → · Contrast checker → · Palette generator →