#104D5E#104D5E

#104D5E is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.1% C 0.065 H 221.3°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#104D5E
RGB	rgb(16, 77, 94)
HSL	hsl(193, 71%, 22%)
HSV	hsv(193, 83%, 37%)
CMYK	cmyk(83%, 18.1%, 0%, 63.1%)
CIE-LAB	lab(29.97, -12.24, -15.36)
CIE-LCH	lch(29.97, 19.64, 231.45°)
OKLab	oklab(39.13% -0.0489 -0.043)
OKLCH	oklch(39.13% 0.065 221.3)
XYZ	xyz(4.8871, 6.2255, 11.5316)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104D5E #5E2110

analogous

#105E48 #104D5E #10265E

triadic

#104D5E #5E104D #4D5E10

tetradic

#104D5E #48105E #5E2110 #265E10

square

#104D5E #48105E #5E2110 #265E10

split-complementary

#104D5E #5E1026 #5E4810

monochromatic

#04151A #07222A #104D5E #197892 #22A3C7

Accessibility & contrast

On white

9.35

#104D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#104D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104D5E

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104D5E	#FFFFFF	#000000	##FFFFFF
##104D5E	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434B5F

Deuteranopia (green-blind)

#39435E

Tritanopia (blue-blind)

#005252

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #104d5e;
/* rgb */ color: rgb(16, 77, 94);
/* oklch */ color: oklch(39.1% 0.065 221.3);

Tailwind

colors: {
  custom: {
    50: '#5d7f8b',
    500: '#104d5e',
    950: '#000000',
  },
}

SCSS

$custom: #104d5e;
$custom-light: #5d7f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#104d5e",
  "rgb": {
    "r": 16,
    "g": 77,
    "b": 94
  },
  "hsl": {
    "h": 193.077,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.39133,
    "c": 0.06514,
    "h": 221.3
  },
  "luminance": 0.06226
}

Semantic roles & 50–950 ramp

primary

#104D5E

secondary

#974933

accent

#613AEE

background

#F5F7F8

surface

#E9EEF0

border

#C5C9CB

text

#050A0C

muted

#797C7D

Preview Lab

Preview with #104D5E

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

Preview Lab → · Contrast checker → · Palette generator →