#10345F#10345F

#10345F is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.5% C 0.087 H 255.1°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#10345F
RGB	rgb(16, 52, 95)
HSL	hsl(213, 71%, 22%)
HSV	hsv(213, 83%, 37%)
CMYK	cmyk(83.2%, 45.3%, 0%, 62.7%)
CIE-LAB	lab(21.55, 4.60, -29.23)
CIE-LCH	lch(21.55, 29.59, 278.94°)
OKLab	oklab(32.48% -0.0223 -0.0836)
OKLCH	oklch(32.48% 0.087 255.1)
XYZ	xyz(3.5065, 3.3920, 11.2942)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10345F #5F3B10

analogous

#105C5F #10345F #14105F

triadic

#10345F #5F1034 #345F10

tetradic

#10345F #5F105C #5F3B10 #105F14

square

#10345F #5F105C #5F3B10 #105F14

split-complementary

#10345F #5F1410 #5C5F10

monochromatic

#040E1A #07172B #10345F #195193 #226DC8

Accessibility & contrast

On white

12.51

#10345F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#10345F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10345F

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10345F	#FFFFFF	#000000	##FFFFFF
##10345F	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3861

Deuteranopia (green-blind)

#10305E

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #10345f;
/* rgb */ color: rgb(16, 52, 95);
/* oklch */ color: oklch(32.5% 0.087 255.1);

Tailwind

colors: {
  custom: {
    50: '#5c6b8d',
    500: '#10345f',
    950: '#000000',
  },
}

SCSS

$custom: #10345f;
$custom-light: #5c6b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#10345f",
  "rgb": {
    "r": 16,
    "g": 52,
    "b": 95
  },
  "hsl": {
    "h": 212.658,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32481,
    "c": 0.08658,
    "h": 255.1
  },
  "luminance": 0.03392
}

Semantic roles & 50–950 ramp

primary

#10345F

secondary

#986A33

accent

#9C3AEE

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #10345F

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

Preview Lab → · Contrast checker → · Palette generator →