#104F5C#104F5C

#104F5C is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 39.6% C 0.064 H 215.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#104F5C
RGB	rgb(16, 79, 92)
HSL	hsl(190, 70%, 21%)
HSV	hsv(190, 83%, 36%)
CMYK	cmyk(82.6%, 14.1%, 0%, 63.9%)
CIE-LAB	lab(30.58, -14.17, -13.16)
CIE-LCH	lch(30.58, 19.33, 222.88°)
OKLab	oklab(39.59% -0.052 -0.0367)
OKLCH	oklch(39.59% 0.064 215.2)
XYZ	xyz(4.9406, 6.4742, 11.1124)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104F5C #5C1D10

analogous

#105C43 #104F5C #10295C

triadic

#104F5C #5C104F #4F5C10

tetradic

#104F5C #43105C #5C1D10 #295C10

square

#104F5C #43105C #5C1D10 #295C10

split-complementary

#104F5C #5C1029 #5C4310

monochromatic

#05161A #072228 #104F5C #197C90 #22A9C4

Accessibility & contrast

On white

9.15

#104F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#104F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104F5C

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104F5C	#FFFFFF	#000000	##FFFFFF
##104F5C	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464C5D

Deuteranopia (green-blind)

#3C455C

Tritanopia (blue-blind)

#005453

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #104f5c;
/* rgb */ color: rgb(16, 79, 92);
/* oklch */ color: oklch(39.6% 0.064 215.2);

Tailwind

colors: {
  custom: {
    50: '#5d808a',
    500: '#104f5c',
    950: '#000000',
  },
}

SCSS

$custom: #104f5c;
$custom-light: #5d808a;
$custom-dark: #000000;

JSON

{
  "hex": "#104f5c",
  "rgb": {
    "r": 16,
    "g": 79,
    "b": 92
  },
  "hsl": {
    "h": 190.263,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.39591,
    "c": 0.06368,
    "h": 215.2
  },
  "luminance": 0.06475
}

Semantic roles & 50–950 ramp

primary

#104F5C

secondary

#954433

accent

#593BED

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #104F5C

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

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