#104B57#104B57

#104B57 is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.2% C 0.061 H 214.7°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#104B57
RGB	rgb(16, 75, 87)
HSL	hsl(190, 69%, 20%)
HSV	hsv(190, 82%, 34%)
CMYK	cmyk(81.6%, 13.8%, 0%, 65.9%)
CIE-LAB	lab(28.98, -13.68, -12.40)
CIE-LCH	lch(28.98, 18.46, 222.20°)
OKLab	oklab(38.23% -0.0499 -0.0346)
OKLCH	oklch(38.23% 0.061 214.7)
XYZ	xyz(4.4493, 5.8299, 9.9058)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B57 #571C10

analogous

#10573F #104B57 #102757

triadic

#104B57 #57104B #4B5710

tetradic

#104B57 #3F1057 #571C10 #275710

square

#104B57 #3F1057 #571C10 #275710

split-complementary

#104B57 #571027 #573F10

monochromatic

#05161A #061E23 #104B57 #1A788B #23A4BE

Accessibility & contrast

On white

9.70

#104B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#104B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B57

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B57	#FFFFFF	#000000	##FFFFFF
##104B57	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434858

Deuteranopia (green-blind)

#394157

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #104b57;
/* rgb */ color: rgb(16, 75, 87);
/* oklch */ color: oklch(38.2% 0.061 214.7);

Tailwind

colors: {
  custom: {
    50: '#5c7d86',
    500: '#104b57',
    950: '#000000',
  },
}

SCSS

$custom: #104b57;
$custom-light: #5c7d86;
$custom-dark: #000000;

JSON

{
  "hex": "#104b57",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 87
  },
  "hsl": {
    "h": 190.141,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.38233,
    "c": 0.06069,
    "h": 214.7
  },
  "luminance": 0.0583
}

Semantic roles & 50–950 ramp

primary

#104B57

secondary

#904232

accent

#5A3CEC

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #104B57

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

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