#345AA9#345AA9

#345AA9 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.2% C 0.134 H 263.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#345AA9
RGB	rgb(52, 90, 169)
HSL	hsl(221, 53%, 43%)
HSV	hsv(221, 69%, 66%)
CMYK	cmyk(69.2%, 46.7%, 0%, 33.7%)
CIE-LAB	lab(39.42, 13.55, -46.47)
CIE-LCH	lch(39.42, 48.40, 286.26°)
OKLab	oklab(48.23% -0.0163 -0.133)
OKLCH	oklch(48.23% 0.134 263)
XYZ	xyz(12.2312, 10.9057, 38.9888)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345AA9 #A98334

analogous

#3494A9 #345AA9 #4834A9

triadic

#345AA9 #A9345A #5AA934

tetradic

#345AA9 #A93494 #A98334 #34A948

square

#345AA9 #A93494 #A98334 #34A948

split-complementary

#345AA9 #A94834 #94A934

monochromatic

#17284B #26417A #345AA9 #5178C9 #809CD8

Accessibility & contrast

On white

6.60

#345AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#345AA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345AA9

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345AA9	#FFFFFF	#000000	##FFFFFF
##345AA9	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3263AC

Deuteranopia (green-blind)

#1A58A7

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #345aa9;
/* rgb */ color: rgb(52, 90, 169);
/* oklch */ color: oklch(48.2% 0.134 263.0);

Tailwind

colors: {
  custom: {
    50: '#7988c3',
    500: '#345aa9',
    950: '#000000',
  },
}

SCSS

$custom: #345aa9;
$custom-light: #7988c3;
$custom-dark: #000000;

JSON

{
  "hex": "#345aa9",
  "rgb": {
    "r": 52,
    "g": 90,
    "b": 169
  },
  "hsl": {
    "h": 220.513,
    "s": 52.941,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48232,
    "c": 0.13403,
    "h": 263
  },
  "luminance": 0.10907
}

Semantic roles & 50–950 ramp

primary

#345AA9

secondary

#C1A978

accent

#AD4BDC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #345AA9

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

Preview Lab → · Contrast checker → · Palette generator →