#10455C#10455C

#10455C is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.8% C 0.066 H 231.7°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#10455C
RGB	rgb(16, 69, 92)
HSL	hsl(198, 70%, 21%)
HSV	hsv(198, 83%, 36%)
CMYK	cmyk(82.6%, 25%, 0%, 63.9%)
CIE-LAB	lab(27.13, -8.10, -18.48)
CIE-LCH	lch(27.13, 20.18, 246.32°)
OKLab	oklab(36.82% -0.041 -0.052)
OKLCH	oklch(36.82% 0.066 231.7)
XYZ	xyz(4.2728, 5.1386, 10.8898)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10455C #5C2710

analogous

#105C4D #10455C #101F5C

triadic

#10455C #5C1045 #455C10

tetradic

#10455C #4D105C #5C2710 #1F5C10

square

#10455C #4D105C #5C2710 #1F5C10

split-complementary

#10455C #5C101F #5C4D10

monochromatic

#05141A #071E28 #10455C #196C90 #2293C4

Accessibility & contrast

On white

10.36

#10455C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#10455C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10455C

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10455C	#FFFFFF	#000000	##FFFFFF
##10455C	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39445D

Deuteranopia (green-blind)

#2F3D5C

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #10455c;
/* rgb */ color: rgb(16, 69, 92);
/* oklch */ color: oklch(36.8% 0.066 231.7);

Tailwind

colors: {
  custom: {
    50: '#5c788a',
    500: '#10455c',
    950: '#000000',
  },
}

SCSS

$custom: #10455c;
$custom-light: #5c788a;
$custom-dark: #000000;

JSON

{
  "hex": "#10455c",
  "rgb": {
    "r": 16,
    "g": 69,
    "b": 92
  },
  "hsl": {
    "h": 198.158,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.36822,
    "c": 0.06624,
    "h": 231.7
  },
  "luminance": 0.05139
}

Semantic roles & 50–950 ramp

primary

#10455C

secondary

#955033

accent

#713BED

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #10455C

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

Preview Lab → · Contrast checker → · Palette generator →