#103A59#103A59

#103A59 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.071 H 244.9°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#103A59
RGB	rgb(16, 58, 89)
HSL	hsl(205, 70%, 21%)
HSV	hsv(205, 82%, 35%)
CMYK	cmyk(82%, 34.8%, 0%, 65.1%)
CIE-LAB	lab(23.19, -2.13, -22.68)
CIE-LCH	lch(23.19, 22.78, 264.64°)
OKLab	oklab(33.65% -0.0302 -0.0644)
OKLCH	oklch(33.65% 0.071 244.9)
XYZ	xyz(3.5292, 3.8571, 10.0078)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A59 #592F10

analogous

#105953 #103A59 #101659

triadic

#103A59 #59103A #3A5910

tetradic

#103A59 #531059 #592F10 #165910

square

#103A59 #531059 #592F10 #165910

split-complementary

#103A59 #591016 #595310

monochromatic

#05111A #071825 #103A59 #195C8D #237EC1

Accessibility & contrast

On white

11.85

#103A59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#103A59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A59

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A59	#FFFFFF	#000000	##FFFFFF
##103A59	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3B5A

Deuteranopia (green-blind)

#213458

Tritanopia (blue-blind)

#004245

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #103a59;
/* rgb */ color: rgb(16, 58, 89);
/* oklch */ color: oklch(33.6% 0.071 244.9);

Tailwind

colors: {
  custom: {
    50: '#5b6f88',
    500: '#103a59',
    950: '#000000',
  },
}

SCSS

$custom: #103a59;
$custom-light: #5b6f88;
$custom-dark: #000000;

JSON

{
  "hex": "#103a59",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 89
  },
  "hsl": {
    "h": 205.479,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.33648,
    "c": 0.0711,
    "h": 244.9
  },
  "luminance": 0.03858
}

Semantic roles & 50–950 ramp

primary

#103A59

secondary

#925B33

accent

#873BEC

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103A59

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

Preview Lab → · Contrast checker → · Palette generator →