#10455D#10455D

#10455D is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 36.9% C 0.067 H 232.9°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#10455D
RGB	rgb(16, 69, 93)
HSL	hsl(199, 71%, 21%)
HSV	hsv(199, 83%, 36%)
CMYK	cmyk(82.8%, 25.8%, 0%, 63.5%)
CIE-LAB	lab(27.18, -7.71, -19.05)
CIE-LCH	lch(27.18, 20.55, 247.97°)
OKLab	oklab(36.88% -0.0406 -0.0537)
OKLCH	oklch(36.88% 0.067 232.9)
XYZ	xyz(4.3168, 5.1562, 11.1215)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10455D #5D2810

analogous

#105D4F #10455D #101F5D

triadic

#10455D #5D1045 #455D10

tetradic

#10455D #4F105D #5D2810 #1F5D10

square

#10455D #4F105D #5D2810 #1F5D10

split-complementary

#10455D #5D101F #5D4F10

monochromatic

#04131A #071E29 #10455D #196C91 #2292C5

Accessibility & contrast

On white

10.34

#10455D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#10455D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10455D

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10455D	#FFFFFF	#000000	##FFFFFF
##10455D	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39445E

Deuteranopia (green-blind)

#2F3D5D

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #10455d;
/* rgb */ color: rgb(16, 69, 93);
/* oklch */ color: oklch(36.9% 0.067 232.9);

Tailwind

colors: {
  custom: {
    50: '#5c788b',
    500: '#10455d',
    950: '#000000',
  },
}

SCSS

$custom: #10455d;
$custom-light: #5c788b;
$custom-dark: #000000;

JSON

{
  "hex": "#10455d",
  "rgb": {
    "r": 16,
    "g": 69,
    "b": 93
  },
  "hsl": {
    "h": 198.701,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.36877,
    "c": 0.06729,
    "h": 232.9
  },
  "luminance": 0.05157
}

Semantic roles & 50–950 ramp

primary

#10455D

secondary

#965233

accent

#723AED

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #10455D

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

Preview Lab → · Contrast checker → · Palette generator →