#104A57#104A57

#104A57 is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.0% C 0.061 H 216.5°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#104A57
RGB	rgb(16, 74, 87)
HSL	hsl(191, 69%, 20%)
HSV	hsv(191, 82%, 34%)
CMYK	cmyk(81.6%, 14.9%, 0%, 65.9%)
CIE-LAB	lab(28.63, -13.09, -12.93)
CIE-LCH	lch(28.63, 18.40, 224.67°)
OKLab	oklab(37.95% -0.0487 -0.0361)
OKLCH	oklch(37.95% 0.061 216.5)
XYZ	xyz(4.3820, 5.6953, 9.8833)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104A57 #571D10

analogous

#105740 #104A57 #102657

triadic

#104A57 #57104A #4A5710

tetradic

#104A57 #401057 #571D10 #265710

square

#104A57 #401057 #571D10 #265710

split-complementary

#104A57 #571026 #574010

monochromatic

#05161A #061E23 #104A57 #1A768B #23A2BE

Accessibility & contrast

On white

9.82

#104A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#104A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104A57

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104A57	#FFFFFF	#000000	##FFFFFF
##104A57	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414758

Deuteranopia (green-blind)

#384057

Tritanopia (blue-blind)

#004F4E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #104a57;
/* rgb */ color: rgb(16, 74, 87);
/* oklch */ color: oklch(38.0% 0.061 216.5);

Tailwind

colors: {
  custom: {
    50: '#5b7c86',
    500: '#104a57',
    950: '#000000',
  },
}

SCSS

$custom: #104a57;
$custom-light: #5b7c86;
$custom-dark: #000000;

JSON

{
  "hex": "#104a57",
  "rgb": {
    "r": 16,
    "g": 74,
    "b": 87
  },
  "hsl": {
    "h": 190.986,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.37952,
    "c": 0.06066,
    "h": 216.5
  },
  "luminance": 0.05696
}

Semantic roles & 50–950 ramp

primary

#104A57

secondary

#904432

accent

#5C3CEC

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #104A57

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

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