#103B5E#103B5E

#103B5E is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.077 H 247.4°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#103B5E
RGB	rgb(16, 59, 94)
HSL	hsl(207, 71%, 22%)
HSV	hsv(207, 83%, 37%)
CMYK	cmyk(83%, 37.2%, 0%, 63.1%)
CIE-LAB	lab(23.82, -0.72, -24.96)
CIE-LCH	lch(23.82, 24.97, 268.35°)
OKLab	oklab(34.24% -0.0296 -0.071)
OKLCH	oklch(34.24% 0.077 247.4)
XYZ	xyz(3.7973, 4.0458, 11.1683)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B5E #5E3310

analogous

#105E5A #103B5E #10145E

triadic

#103B5E #5E103B #3B5E10

tetradic

#103B5E #5A105E #5E3310 #145E10

square

#103B5E #5A105E #5E3310 #145E10

split-complementary

#103B5E #5E1014 #5E5A10

monochromatic

#04101A #071A2A #103B5E #195C92 #227DC7

Accessibility & contrast

On white

11.61

#103B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#103B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B5E

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B5E	#FFFFFF	#000000	##FFFFFF
##103B5E	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3D5F

Deuteranopia (green-blind)

#1F355D

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #103b5e;
/* rgb */ color: rgb(16, 59, 94);
/* oklch */ color: oklch(34.2% 0.077 247.4);

Tailwind

colors: {
  custom: {
    50: '#5c708c',
    500: '#103b5e',
    950: '#000000',
  },
}

SCSS

$custom: #103b5e;
$custom-light: #5c708c;
$custom-dark: #000000;

JSON

{
  "hex": "#103b5e",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 94
  },
  "hsl": {
    "h": 206.923,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.34238,
    "c": 0.07693,
    "h": 247.4
  },
  "luminance": 0.04046
}

Semantic roles & 50–950 ramp

primary

#103B5E

secondary

#976033

accent

#8B3AEE

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #103B5E

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

Preview Lab → · Contrast checker → · Palette generator →