#104257#104257

#104257 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.7% C 0.063 H 230.6°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#104257
RGB	rgb(16, 66, 87)
HSL	hsl(198, 69%, 20%)
HSV	hsv(198, 82%, 34%)
CMYK	cmyk(81.6%, 24.1%, 0%, 65.9%)
CIE-LAB	lab(25.85, -8.18, -17.23)
CIE-LCH	lch(25.85, 19.07, 244.59°)
OKLab	oklab(35.72% -0.0397 -0.0484)
OKLCH	oklch(35.72% 0.063 230.6)
XYZ	xyz(3.8815, 4.6942, 9.7165)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104257 #572510

analogous

#105748 #104257 #101F57

triadic

#104257 #571042 #425710

tetradic

#104257 #481057 #572510 #1F5710

square

#104257 #481057 #572510 #1F5710

split-complementary

#104257 #57101F #574810

monochromatic

#05141A #061B23 #104257 #1A698B #2390BE

Accessibility & contrast

On white

10.83

#104257 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#104257 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104257

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104257	#FFFFFF	#000000	##FFFFFF
##104257	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374158

Deuteranopia (green-blind)

#2E3A57

Tritanopia (blue-blind)

#004849

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #104257;
/* rgb */ color: rgb(16, 66, 87);
/* oklch */ color: oklch(35.7% 0.063 230.6);

Tailwind

colors: {
  custom: {
    50: '#5b7686',
    500: '#104257',
    950: '#000000',
  },
}

SCSS

$custom: #104257;
$custom-light: #5b7686;
$custom-dark: #000000;

JSON

{
  "hex": "#104257",
  "rgb": {
    "r": 16,
    "g": 66,
    "b": 87
  },
  "hsl": {
    "h": 197.746,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.35719,
    "c": 0.06266,
    "h": 230.6
  },
  "luminance": 0.04695
}

Semantic roles & 50–950 ramp

primary

#104257

secondary

#904E32

accent

#703CEC

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #104257

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

Preview Lab → · Contrast checker → · Palette generator →