#103757#103757

#103757 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.071 H 247.2°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#103757
RGB	rgb(16, 55, 87)
HSL	hsl(207, 69%, 20%)
HSV	hsv(207, 82%, 34%)
CMYK	cmyk(81.6%, 36.8%, 0%, 65.9%)
CIE-LAB	lab(22.05, -0.92, -23.17)
CIE-LCH	lch(22.05, 23.18, 267.73°)
OKLab	oklab(32.71% -0.0277 -0.0658)
OKLCH	oklch(32.71% 0.071 247.2)
XYZ	xyz(3.2995, 3.5303, 9.5225)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103757 #573010

analogous

#105753 #103757 #101457

triadic

#103757 #571037 #375710

tetradic

#103757 #531057 #573010 #145710

square

#103757 #531057 #573010 #145710

split-complementary

#103757 #571014 #575310

monochromatic

#05101A #061623 #103757 #1A588B #2378BE

Accessibility & contrast

On white

12.31

#103757 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#103757 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103757

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103757	#FFFFFF	#000000	##FFFFFF
##103757	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283858

Deuteranopia (green-blind)

#1E3256

Tritanopia (blue-blind)

#003F43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #103757;
/* rgb */ color: rgb(16, 55, 87);
/* oklch */ color: oklch(32.7% 0.071 247.2);

Tailwind

colors: {
  custom: {
    50: '#5a6d86',
    500: '#103757',
    950: '#000000',
  },
}

SCSS

$custom: #103757;
$custom-light: #5a6d86;
$custom-dark: #000000;

JSON

{
  "hex": "#103757",
  "rgb": {
    "r": 16,
    "g": 55,
    "b": 87
  },
  "hsl": {
    "h": 207.042,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.32712,
    "c": 0.0714,
    "h": 247.2
  },
  "luminance": 0.03531
}

Semantic roles & 50–950 ramp

primary

#103757

secondary

#905D32

accent

#8B3CEC

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #103757

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

Preview Lab → · Contrast checker → · Palette generator →