#345FD1#345FD1

#345FD1 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.183 H 265.0°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#345FD1
RGB	rgb(52, 95, 209)
HSL	hsl(224, 63%, 51%)
HSV	hsv(224, 75%, 82%)
CMYK	cmyk(75.1%, 54.5%, 0%, 18%)
CIE-LAB	lab(43.53, 25.19, -63.15)
CIE-LCH	lch(43.53, 67.99, 291.74°)
OKLab	oklab(52.23% -0.0159 -0.182)
OKLCH	oklch(52.23% 0.183 265)
XYZ	xyz(17.0129, 13.5160, 62.0215)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FD1 #D1A634

analogous

#34ADD1 #345FD1 #5734D1

triadic

#345FD1 #D1345F #5FD134

tetradic

#345FD1 #D134AD #D1A634 #34D157

square

#345FD1 #D134AD #D1A634 #34D157

split-complementary

#345FD1 #D15734 #ADD134

monochromatic

#1A3271 #2547A3 #345FD1 #6686DC #98AEE8

Accessibility & contrast

On white

5.67

#345FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#345FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FD1

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FD1	#FFFFFF	#000000	##FFFFFF
##345FD1	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED5

Deuteranopia (green-blind)

#0060CF

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #345fd1;
/* rgb */ color: rgb(52, 95, 209);
/* oklch */ color: oklch(52.2% 0.183 265.0);

Tailwind

colors: {
  custom: {
    50: '#818be0',
    500: '#345fd1',
    950: '#000000',
  },
}

SCSS

$custom: #345fd1;
$custom-light: #818be0;
$custom-dark: #000000;

JSON

{
  "hex": "#345fd1",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 209
  },
  "hsl": {
    "h": 223.567,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5223,
    "c": 0.18273,
    "h": 265
  },
  "luminance": 0.13518
}

Semantic roles & 50–950 ramp

primary

#345FD1

secondary

#D3C08E

accent

#B942E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #345FD1

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

Preview Lab → · Contrast checker → · Palette generator →