#345FB3#345FB3

#345FB3 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.0% C 0.142 H 262.2°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#345FB3
RGB	rgb(52, 95, 179)
HSL	hsl(220, 55%, 45%)
HSV	hsv(220, 71%, 70%)
CMYK	cmyk(70.9%, 46.9%, 0%, 29.8%)
CIE-LAB	lab(41.48, 14.02, -49.06)
CIE-LCH	lch(41.48, 51.02, 285.95°)
OKLab	oklab(50.02% -0.0193 -0.1406)
OKLCH	oklch(50.02% 0.142 262.2)
XYZ	xyz(13.6422, 12.1677, 44.2687)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345FB3 #B38834

analogous

#349EB3 #345FB3 #4934B3

triadic

#345FB3 #B3345F #5FB334

tetradic

#345FB3 #B3349E #B38834 #34B349

square

#345FB3 #B3349E #B38834 #34B349

split-complementary

#345FB3 #B34934 #9EB334

monochromatic

#182D54 #264684 #345FB3 #567FCE #86A3DC

Accessibility & contrast

On white

6.12

#345FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#345FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345FB3

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345FB3	#FFFFFF	#000000	##FFFFFF
##345FB3	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3368B6

Deuteranopia (green-blind)

#175CB1

Tritanopia (blue-blind)

#007380

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #345fb3;
/* rgb */ color: rgb(52, 95, 179);
/* oklch */ color: oklch(50.0% 0.142 262.2);

Tailwind

colors: {
  custom: {
    50: '#7b8bca',
    500: '#345fb3',
    950: '#000000',
  },
}

SCSS

$custom: #345fb3;
$custom-light: #7b8bca;
$custom-dark: #000000;

JSON

{
  "hex": "#345fb3",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 179
  },
  "hsl": {
    "h": 219.685,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50018,
    "c": 0.1419,
    "h": 262.2
  },
  "luminance": 0.12169
}

Semantic roles & 50–950 ramp

primary

#345FB3

secondary

#C5AD7D

accent

#AC49DE

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #345FB3

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

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