#10364D#10364D

#10364D is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.8% C 0.059 H 239.3°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#10364D
RGB	rgb(16, 54, 77)
HSL	hsl(203, 66%, 18%)
HSV	hsv(203, 79%, 30%)
CMYK	cmyk(79.2%, 29.9%, 0%, 69.8%)
CIE-LAB	lab(21.15, -4.38, -17.95)
CIE-LCH	lch(21.15, 18.47, 256.27°)
OKLab	oklab(31.81% -0.0301 -0.0506)
OKLCH	oklch(31.81% 0.059 239.3)
XYZ	xyz(2.8719, 3.2840, 7.5023)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10364D #4D2710

analogous

#104D45 #10364D #10174D

triadic

#10364D #4D1036 #364D10

tetradic

#10364D #45104D #4D2710 #174D10

square

#10364D #45104D #4D2710 #174D10

split-complementary

#10364D #4D1017 #4D4510

monochromatic

#051219 #05121A #10364D #1B5A80 #257DB2

Accessibility & contrast

On white

12.68

#10364D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#10364D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10364D

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10364D	#FFFFFF	#000000	##FFFFFF
##10364D	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B364E

Deuteranopia (green-blind)

#23304D

Tritanopia (blue-blind)

#003C3E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #10364d;
/* rgb */ color: rgb(16, 54, 77);
/* oklch */ color: oklch(31.8% 0.059 239.3);

Tailwind

colors: {
  custom: {
    50: '#586c7f',
    500: '#10364d',
    950: '#000000',
  },
}

SCSS

$custom: #10364d;
$custom-light: #586c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#10364d",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 77
  },
  "hsl": {
    "h": 202.623,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.31812,
    "c": 0.05891,
    "h": 239.3
  },
  "luminance": 0.03284
}

Semantic roles & 50–950 ramp

primary

#10364D

secondary

#875232

accent

#7F3FE9

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #10364D

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

Preview Lab → · Contrast checker → · Palette generator →