#10364B#10364B

#10364B is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.7% C 0.056 H 236.8°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#10364B
RGB	rgb(16, 54, 75)
HSL	hsl(201, 65%, 18%)
HSV	hsv(201, 79%, 29%)
CMYK	cmyk(78.7%, 28%, 0%, 70.6%)
CIE-LAB	lab(21.04, -5.20, -16.77)
CIE-LCH	lch(21.04, 17.56, 252.78°)
OKLab	oklab(31.69% -0.0309 -0.0472)
OKLCH	oklch(31.69% 0.056 236.8)
XYZ	xyz(2.8024, 3.2562, 7.1361)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10364B #4B2510

analogous

#104B42 #10364B #10184B

triadic

#10364B #4B1036 #364B10

tetradic

#10364B #42104B #4B2510 #184B10

square

#10364B #42104B #4B2510 #184B10

split-complementary

#10364B #4B1018 #4B4210

monochromatic

#051219 #051219 #10364B #1B5A7D #267FB0

Accessibility & contrast

On white

12.72

#10364B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#10364B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10364B

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10364B	#FFFFFF	#000000	##FFFFFF
##10364B	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C364C

Deuteranopia (green-blind)

#24304B

Tritanopia (blue-blind)

#003B3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #10364b;
/* rgb */ color: rgb(16, 54, 75);
/* oklch */ color: oklch(31.7% 0.056 236.8);

Tailwind

colors: {
  custom: {
    50: '#576c7d',
    500: '#10364b',
    950: '#000000',
  },
}

SCSS

$custom: #10364b;
$custom-light: #576c7d;
$custom-dark: #000000;

JSON

{
  "hex": "#10364b",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 75
  },
  "hsl": {
    "h": 201.356,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.31694,
    "c": 0.05644,
    "h": 236.8
  },
  "luminance": 0.03256
}

Semantic roles & 50–950 ramp

primary

#10364B

secondary

#854F32

accent

#7C40E8

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #10364B

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

Preview Lab → · Contrast checker → · Palette generator →