#345EA5#345EA5

#345EA5 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 48.9% C 0.124 H 260.2°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#345EA5
RGB	rgb(52, 94, 165)
HSL	hsl(218, 52%, 43%)
HSV	hsv(218, 68%, 65%)
CMYK	cmyk(68.5%, 43%, 0%, 35.3%)
CIE-LAB	lab(40.33, 9.47, -42.64)
CIE-LCH	lch(40.33, 43.68, 282.53°)
OKLab	oklab(48.85% -0.0209 -0.1217)
OKLCH	oklch(48.85% 0.124 260.2)
XYZ	xyz(12.2080, 11.4509, 37.1569)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345EA5 #A57B34

analogous

#3497A5 #345EA5 #4234A5

triadic

#345EA5 #A5345E #5EA534

tetradic

#345EA5 #A53497 #A57B34 #34A542

square

#345EA5 #A53497 #A57B34 #34A542

split-complementary

#345EA5 #A54234 #97A534

monochromatic

#172948 #254376 #345EA5 #4F7CC7 #7D9ED6

Accessibility & contrast

On white

6.38

#345EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#345EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345EA5

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345EA5	#FFFFFF	#000000	##FFFFFF
##345EA5	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D65A8

Deuteranopia (green-blind)

#2A5AA4

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #345ea5;
/* rgb */ color: rgb(52, 94, 165);
/* oklch */ color: oklch(48.9% 0.124 260.2);

Tailwind

colors: {
  custom: {
    50: '#788bc0',
    500: '#345ea5',
    950: '#000000',
  },
}

SCSS

$custom: #345ea5;
$custom-light: #788bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#345ea5",
  "rgb": {
    "r": 52,
    "g": 94,
    "b": 165
  },
  "hsl": {
    "h": 217.699,
    "s": 52.074,
    "l": 42.549
  },
  "oklch": {
    "l": 0.48852,
    "c": 0.12352,
    "h": 260.2
  },
  "luminance": 0.11452
}

Semantic roles & 50–950 ramp

primary

#345EA5

secondary

#BFA476

accent

#A64CDC

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345EA5

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

Preview Lab → · Contrast checker → · Palette generator →