#104B58#104B58

#104B58 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.3% C 0.061 H 216.3°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#104B58
RGB	rgb(16, 75, 88)
HSL	hsl(191, 69%, 20%)
HSV	hsv(191, 82%, 35%)
CMYK	cmyk(81.8%, 14.8%, 0%, 65.5%)
CIE-LAB	lab(29.02, -13.30, -12.98)
CIE-LCH	lch(29.02, 18.59, 224.29°)
OKLab	oklab(38.28% -0.0494 -0.0362)
OKLCH	oklch(38.28% 0.061 216.3)
XYZ	xyz(4.4905, 5.8464, 10.1224)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B58 #581D10

analogous

#105841 #104B58 #102758

triadic

#104B58 #58104B #4B5810

tetradic

#104B58 #411058 #581D10 #275810

square

#104B58 #411058 #581D10 #275810

split-complementary

#104B58 #581027 #584110

monochromatic

#05161A #071F24 #104B58 #19778C #23A3C0

Accessibility & contrast

On white

9.68

#104B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#104B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B58

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B58	#FFFFFF	#000000	##FFFFFF
##104B58	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424859

Deuteranopia (green-blind)

#384158

Tritanopia (blue-blind)

#00504F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #104b58;
/* rgb */ color: rgb(16, 75, 88);
/* oklch */ color: oklch(38.3% 0.061 216.3);

Tailwind

colors: {
  custom: {
    50: '#5c7d87',
    500: '#104b58',
    950: '#000000',
  },
}

SCSS

$custom: #104b58;
$custom-light: #5c7d87;
$custom-dark: #000000;

JSON

{
  "hex": "#104b58",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 88
  },
  "hsl": {
    "h": 190.833,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.38281,
    "c": 0.06127,
    "h": 216.3
  },
  "luminance": 0.05847
}

Semantic roles & 50–950 ramp

primary

#104B58

secondary

#914432

accent

#5C3CEC

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #104B58

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

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