#345D9B#345D9B

#345D9B is a mid, moderate blue. Relative luminance 0.109; OKLCH L 48.0% C 0.111 H 258.5°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#345D9B
RGB	rgb(52, 93, 155)
HSL	hsl(216, 50%, 41%)
HSV	hsv(216, 66%, 61%)
CMYK	cmyk(66.5%, 40%, 0%, 39.2%)
CIE-LAB	lab(39.45, 6.44, -38.08)
CIE-LCH	lch(39.45, 38.62, 279.59°)
OKLab	oklab(47.98% -0.0221 -0.1084)
OKLCH	oklch(47.98% 0.111 258.5)
XYZ	xyz(11.2448, 10.9242, 32.5200)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345D9B #9B7234

analogous

#34909B #345D9B #3F349B

triadic

#345D9B #9B345D #5D9B34

tetradic

#345D9B #9B3490 #9B7234 #349B3F

square

#345D9B #9B3490 #9B7234 #349B3F

split-complementary

#345D9B #9B3F34 #909B34

monochromatic

#15263F #25426D #345D9B #4A7AC2 #789CD2

Accessibility & contrast

On white

6.59

#345D9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#345D9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345D9B

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345D9B	#FFFFFF	#000000	##FFFFFF
##345D9B	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41629D

Deuteranopia (green-blind)

#32599A

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #345d9b;
/* rgb */ color: rgb(52, 93, 155);
/* oklch */ color: oklch(48.0% 0.111 258.5);

Tailwind

colors: {
  custom: {
    50: '#768ab9',
    500: '#345d9b',
    950: '#000000',
  },
}

SCSS

$custom: #345d9b;
$custom-light: #768ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#345d9b",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 155
  },
  "hsl": {
    "h": 216.117,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47983,
    "c": 0.11059,
    "h": 258.5
  },
  "luminance": 0.10925
}

Semantic roles & 50–950 ramp

primary

#345D9B

secondary

#BA9D71

accent

#A24FD9

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #345D9B

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

Preview Lab → · Contrast checker → · Palette generator →