#345F8B#345F8B

#345F8B is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.5% C 0.086 H 250.6°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#345F8B
RGB	rgb(52, 95, 139)
HSL	hsl(210, 46%, 37%)
HSV	hsv(210, 63%, 55%)
CMYK	cmyk(62.6%, 31.7%, 0%, 45.5%)
CIE-LAB	lab(39.20, -0.60, -28.85)
CIE-LCH	lch(39.20, 28.85, 268.81°)
OKLab	oklab(47.51% -0.0287 -0.0814)
OKLCH	oklch(47.51% 0.086 250.6)
XYZ	xyz(10.1669, 10.7776, 25.9656)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#345F8B #8B6034

analogous

#348B8B #345F8B #35348B

triadic

#345F8B #8B345F #5F8B34

tetradic

#345F8B #8B348B #8B6034 #348B35

square

#345F8B #8B348B #8B6034 #348B35

split-complementary

#345F8B #8B3534 #8B8B34

monochromatic

#132232 #23415E #345F8B #457DB8 #709CC9

Accessibility & contrast

On white

6.65

#345F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#345F8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #345F8B

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##345F8B	#FFFFFF	#000000	##FFFFFF
##345F8B	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C618D

Deuteranopia (green-blind)

#41598A

Tritanopia (blue-blind)

#00696F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #345f8b;
/* rgb */ color: rgb(52, 95, 139);
/* oklch */ color: oklch(47.5% 0.086 250.6);

Tailwind

colors: {
  custom: {
    50: '#748cad',
    500: '#345f8b',
    950: '#000000',
  },
}

SCSS

$custom: #345f8b;
$custom-light: #748cad;
$custom-dark: #000000;

JSON

{
  "hex": "#345f8b",
  "rgb": {
    "r": 52,
    "g": 95,
    "b": 139
  },
  "hsl": {
    "h": 210.345,
    "s": 45.55,
    "l": 37.451
  },
  "oklch": {
    "l": 0.47509,
    "c": 0.0863,
    "h": 250.6
  },
  "luminance": 0.10779
}

Semantic roles & 50–950 ramp

primary

#345F8B

secondary

#B28E69

accent

#9553D5

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C10

muted

#7B7D7F

Preview Lab

Preview with #345F8B

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

Preview Lab → · Contrast checker → · Palette generator →