#10394B#10394B

#10394B is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.5% C 0.055 H 230.9°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#10394B
RGB	rgb(16, 57, 75)
HSL	hsl(198, 65%, 18%)
HSV	hsv(198, 79%, 29%)
CMYK	cmyk(78.7%, 24%, 0%, 70.6%)
CIE-LAB	lab(22.10, -7.17, -15.12)
CIE-LCH	lch(22.10, 16.74, 244.63°)
OKLab	oklab(32.54% -0.0344 -0.0424)
OKLCH	oklch(32.54% 0.055 230.9)
XYZ	xyz(2.9463, 3.5441, 7.1840)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10394B #4B2210

analogous

#104B3F #10394B #101B4B

triadic

#10394B #4B1039 #394B10

tetradic

#10394B #3F104B #4B2210 #1B4B10

square

#10394B #3F104B #4B2210 #1B4B10

split-complementary

#10394B #4B101B #4B3F10

monochromatic

#051319 #051319 #10394B #1B5F7D #2686B0

Accessibility & contrast

On white

12.29

#10394B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#10394B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10394B

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10394B	#FFFFFF	#000000	##FFFFFF
##10394B	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30384C

Deuteranopia (green-blind)

#28324B

Tritanopia (blue-blind)

#003E3F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #10394b;
/* rgb */ color: rgb(16, 57, 75);
/* oklch */ color: oklch(32.5% 0.055 230.9);

Tailwind

colors: {
  custom: {
    50: '#586f7d',
    500: '#10394b',
    950: '#000000',
  },
}

SCSS

$custom: #10394b;
$custom-light: #586f7d;
$custom-dark: #000000;

JSON

{
  "hex": "#10394b",
  "rgb": {
    "r": 16,
    "g": 57,
    "b": 75
  },
  "hsl": {
    "h": 198.305,
    "s": 64.835,
    "l": 17.843
  },
  "oklch": {
    "l": 0.32538,
    "c": 0.05467,
    "h": 230.9
  },
  "luminance": 0.03544
}

Semantic roles & 50–950 ramp

primary

#10394B

secondary

#854B32

accent

#7340E8

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #10394B

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

Preview Lab → · Contrast checker → · Palette generator →