#103C5E#103C5E

#103C5E is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.076 H 246.2°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#103C5E
RGB	rgb(16, 60, 94)
HSL	hsl(206, 71%, 22%)
HSV	hsv(206, 83%, 37%)
CMYK	cmyk(83%, 36.2%, 0%, 63.1%)
CIE-LAB	lab(24.16, -1.40, -24.43)
CIE-LCH	lch(24.16, 24.47, 266.72°)
OKLab	oklab(34.5% -0.0307 -0.0694)
OKLCH	oklch(34.5% 0.076 246.2)
XYZ	xyz(3.8491, 4.1496, 11.1856)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103C5E #5E3210

analogous

#105E59 #103C5E #10155E

triadic

#103C5E #5E103C #3C5E10

tetradic

#103C5E #59105E #5E3210 #155E10

square

#103C5E #59105E #5E3210 #155E10

split-complementary

#103C5E #5E1015 #5E5910

monochromatic

#04111A #071B2A #103C5E #195D92 #227FC7

Accessibility & contrast

On white

11.48

#103C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#103C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C5E

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103C5E	#FFFFFF	#000000	##FFFFFF
##103C5E	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3D5F

Deuteranopia (green-blind)

#21365D

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103c5e;
/* rgb */ color: rgb(16, 60, 94);
/* oklch */ color: oklch(34.5% 0.076 246.2);

Tailwind

colors: {
  custom: {
    50: '#5c718c',
    500: '#103c5e',
    950: '#000000',
  },
}

SCSS

$custom: #103c5e;
$custom-light: #5c718c;
$custom-dark: #000000;

JSON

{
  "hex": "#103c5e",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 94
  },
  "hsl": {
    "h": 206.154,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.34504,
    "c": 0.07589,
    "h": 246.2
  },
  "luminance": 0.0415
}

Semantic roles & 50–950 ramp

primary

#103C5E

secondary

#975E33

accent

#883AEE

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #103C5E

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

Preview Lab → · Contrast checker → · Palette generator →