#345EA4#345EA4

#345EA4 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.122 H 260.0°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#345EA4
RGB	rgb(52, 94, 164)
HSL	hsl(218, 52%, 42%)
HSV	hsv(218, 68%, 64%)
CMYK	cmyk(68.3%, 42.7%, 0%, 35.7%)
CIE-LAB	lab(40.27, 9.10, -42.14)
CIE-LCH	lch(40.27, 43.12, 282.19°)
OKLab	oklab(48.79% -0.0211 -0.1203)
OKLCH	oklch(48.79% 0.122 260)
XYZ	xyz(12.1173, 11.4146, 36.6794)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345EA4 #A47A34

analogous

#3496A4 #345EA4 #4234A4

triadic

#345EA4 #A4345E #5EA434

tetradic

#345EA4 #A43496 #A47A34 #34A442

square

#345EA4 #A43496 #A47A34 #34A442

split-complementary

#345EA4 #A44234 #96A434

monochromatic

#172947 #254376 #345EA4 #4E7CC7 #7D9ED6

Accessibility & contrast

On white

6.40

#345EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#345EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345EA4

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345EA4	#FFFFFF	#000000	##FFFFFF
##345EA4	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D64A7

Deuteranopia (green-blind)

#2B5AA3

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #345ea4;
/* rgb */ color: rgb(52, 94, 164);
/* oklch */ color: oklch(48.8% 0.122 260.0);

Tailwind

colors: {
  custom: {
    50: '#788bbf',
    500: '#345ea4',
    950: '#000000',
  },
}

SCSS

$custom: #345ea4;
$custom-light: #788bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#345ea4",
  "rgb": {
    "r": 52,
    "g": 94,
    "b": 164
  },
  "hsl": {
    "h": 217.5,
    "s": 51.852,
    "l": 42.353
  },
  "oklch": {
    "l": 0.48786,
    "c": 0.12211,
    "h": 260
  },
  "luminance": 0.11416
}

Semantic roles & 50–950 ramp

primary

#345EA4

secondary

#BFA375

accent

#A64CDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345EA4

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

Preview Lab → · Contrast checker → · Palette generator →