#345EA3#345EA3

#345EA3 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.7% C 0.121 H 259.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#345EA3
RGB	rgb(52, 94, 163)
HSL	hsl(217, 52%, 42%)
HSV	hsv(217, 68%, 64%)
CMYK	cmyk(68.1%, 42.3%, 0%, 36.1%)
CIE-LAB	lab(40.21, 8.73, -41.64)
CIE-LCH	lch(40.21, 42.55, 281.85°)
OKLab	oklab(48.72% -0.0213 -0.1188)
OKLCH	oklch(48.72% 0.121 259.8)
XYZ	xyz(12.0274, 11.3786, 36.2057)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345EA3 #A37934

analogous

#3496A3 #345EA3 #4134A3

triadic

#345EA3 #A3345E #5EA334

tetradic

#345EA3 #A33496 #A37934 #34A341

square

#345EA3 #A33496 #A37934 #34A341

split-complementary

#345EA3 #A34134 #96A334

monochromatic

#162846 #254375 #345EA3 #4E7BC6 #7C9ED5

Accessibility & contrast

On white

6.41

#345EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#345EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345EA3

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345EA3	#FFFFFF	#000000	##FFFFFF
##345EA3	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E64A6

Deuteranopia (green-blind)

#2C5AA2

Tritanopia (blue-blind)

#006E78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #345ea3;
/* rgb */ color: rgb(52, 94, 163);
/* oklch */ color: oklch(48.7% 0.121 259.8);

Tailwind

colors: {
  custom: {
    50: '#788bbf',
    500: '#345ea3',
    950: '#000000',
  },
}

SCSS

$custom: #345ea3;
$custom-light: #788bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#345ea3",
  "rgb": {
    "r": 52,
    "g": 94,
    "b": 163
  },
  "hsl": {
    "h": 217.297,
    "s": 51.628,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48721,
    "c": 0.1207,
    "h": 259.8
  },
  "luminance": 0.1138
}

Semantic roles & 50–950 ramp

primary

#345EA3

secondary

#BEA275

accent

#A54DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345EA3

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

Preview Lab → · Contrast checker → · Palette generator →