#104B5C#104B5C

#104B5C is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.5% C 0.064 H 221.9°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#104B5C
RGB	rgb(16, 75, 92)
HSL	hsl(193, 70%, 21%)
HSV	hsv(193, 83%, 36%)
CMYK	cmyk(82.6%, 18.5%, 0%, 63.9%)
CIE-LAB	lab(29.20, -11.80, -15.28)
CIE-LCH	lch(29.20, 19.30, 232.32°)
OKLab	oklab(38.48% -0.0476 -0.0428)
OKLCH	oklch(38.48% 0.064 221.9)
XYZ	xyz(4.6607, 5.9145, 11.0191)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B5C #5C2110

analogous

#105C47 #104B5C #10255C

triadic

#104B5C #5C104B #4B5C10

tetradic

#104B5C #47105C #5C2110 #255C10

square

#104B5C #47105C #5C2110 #255C10

split-complementary

#104B5C #5C1025 #5C4710

monochromatic

#05151A #072028 #104B5C #197590 #22A0C4

Accessibility & contrast

On white

9.62

#104B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#104B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B5C

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B5C	#FFFFFF	#000000	##FFFFFF
##104B5C	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41495D

Deuteranopia (green-blind)

#37425C

Tritanopia (blue-blind)

#005050

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #104b5c;
/* rgb */ color: rgb(16, 75, 92);
/* oklch */ color: oklch(38.5% 0.064 221.9);

Tailwind

colors: {
  custom: {
    50: '#5c7d8a',
    500: '#104b5c',
    950: '#000000',
  },
}

SCSS

$custom: #104b5c;
$custom-light: #5c7d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#104b5c",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 92
  },
  "hsl": {
    "h": 193.421,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.38478,
    "c": 0.06401,
    "h": 221.9
  },
  "luminance": 0.05915
}

Semantic roles & 50–950 ramp

primary

#104B5C

secondary

#954933

accent

#633BED

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #104B5C

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

Preview Lab → · Contrast checker → · Palette generator →