#104D5F#104D5F

#104D5F is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.2% C 0.066 H 222.6°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#104D5F
RGB	rgb(16, 77, 95)
HSL	hsl(194, 71%, 22%)
HSV	hsv(194, 83%, 37%)
CMYK	cmyk(83.2%, 18.9%, 0%, 62.7%)
CIE-LAB	lab(30.02, -11.86, -15.93)
CIE-LCH	lch(30.02, 19.86, 233.33°)
OKLab	oklab(39.18% -0.0485 -0.0446)
OKLCH	oklch(39.18% 0.066 222.6)
XYZ	xyz(4.9323, 6.2435, 11.7694)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104D5F #5F2210

analogous

#105F4A #104D5F #10265F

triadic

#104D5F #5F104D #4D5F10

tetradic

#104D5F #4A105F #5F2210 #265F10

square

#104D5F #4A105F #5F2210 #265F10

split-complementary

#104D5F #5F1026 #5F4A10

monochromatic

#04151A #07232B #104D5F #197793 #22A2C8

Accessibility & contrast

On white

9.34

#104D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#104D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104D5F

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104D5F	#FFFFFF	#000000	##FFFFFF
##104D5F	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434B60

Deuteranopia (green-blind)

#38435F

Tritanopia (blue-blind)

#005353

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #104d5f;
/* rgb */ color: rgb(16, 77, 95);
/* oklch */ color: oklch(39.2% 0.066 222.6);

Tailwind

colors: {
  custom: {
    50: '#5d7f8c',
    500: '#104d5f',
    950: '#000000',
  },
}

SCSS

$custom: #104d5f;
$custom-light: #5d7f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#104d5f",
  "rgb": {
    "r": 16,
    "g": 77,
    "b": 95
  },
  "hsl": {
    "h": 193.671,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.39183,
    "c": 0.0659,
    "h": 222.6
  },
  "luminance": 0.06244
}

Semantic roles & 50–950 ramp

primary

#104D5F

secondary

#984A33

accent

#633AEE

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0C

muted

#797C7D

Preview Lab

Preview with #104D5F

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

Preview Lab → · Contrast checker → · Palette generator →