#345D8B#345D8B

#345D8B is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 47.0% C 0.088 H 252.6°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#345D8B
RGB	rgb(52, 93, 139)
HSL	hsl(212, 46%, 37%)
HSV	hsv(212, 63%, 55%)
CMYK	cmyk(62.6%, 33.1%, 0%, 45.5%)
CIE-LAB	lab(38.59, 0.66, -29.81)
CIE-LCH	lch(38.59, 29.82, 271.26°)
OKLab	oklab(47.03% -0.0264 -0.0842)
OKLCH	oklch(47.03% 0.088 252.6)
XYZ	xyz(9.9890, 10.4219, 25.9063)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345D8B #8B6234

analogous

#34898B #345D8B #36348B

triadic

#345D8B #8B345D #5D8B34

tetradic

#345D8B #8B3489 #8B6234 #348B36

square

#345D8B #8B3489 #8B6234 #348B36

split-complementary

#345D8B #8B3634 #898B34

monochromatic

#132132 #233F5E #345D8B #457BB8 #709AC9

Accessibility & contrast

On white

6.81

#345D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#345D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345D8B

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345D8B	#FFFFFF	#000000	##FFFFFF
##345D8B	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5F8D

Deuteranopia (green-blind)

#3E578A

Tritanopia (blue-blind)

#00686D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #345d8b;
/* rgb */ color: rgb(52, 93, 139);
/* oklch */ color: oklch(47.0% 0.088 252.6);

Tailwind

colors: {
  custom: {
    50: '#748aad',
    500: '#345d8b',
    950: '#000000',
  },
}

SCSS

$custom: #345d8b;
$custom-light: #748aad;
$custom-dark: #000000;

JSON

{
  "hex": "#345d8b",
  "rgb": {
    "r": 52,
    "g": 93,
    "b": 139
  },
  "hsl": {
    "h": 211.724,
    "s": 45.55,
    "l": 37.451
  },
  "oklch": {
    "l": 0.47028,
    "c": 0.08824,
    "h": 252.6
  },
  "luminance": 0.10423
}

Semantic roles & 50–950 ramp

primary

#345D8B

secondary

#B28F69

accent

#9853D5

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #345D8B

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

Preview Lab → · Contrast checker → · Palette generator →