#10353F#10353F

#10353F is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.045 H 218.9°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#10353F
RGB	rgb(16, 53, 63)
HSL	hsl(193, 59%, 15%)
HSV	hsv(193, 75%, 25%)
CMYK	cmyk(74.6%, 15.9%, 0%, 75.3%)
CIE-LAB	lab(20.10, -9.27, -10.12)
CIE-LCH	lch(20.10, 13.72, 227.51°)
OKLab	oklab(30.75% -0.0349 -0.0282)
OKLCH	oklch(30.75% 0.045 218.9)
XYZ	xyz(2.3836, 3.0150, 5.1580)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10353F #3F1A10

analogous

#103F31 #10353F #101D3F

triadic

#10353F #3F1035 #353F10

tetradic

#10353F #31103F #3F1A10 #1D3F10

square

#10353F #31103F #3F1A10 #1D3F10

split-complementary

#10353F #3F101D #3F3110

monochromatic

#061518 #061518 #10353F #1C5E70 #2987A1

Accessibility & contrast

On white

13.10

#10353F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#10353F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10353F

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10353F	#FFFFFF	#000000	##FFFFFF
##10353F	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3340

Deuteranopia (green-blind)

#282E3F

Tritanopia (blue-blind)

#003838

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #10353f;
/* rgb */ color: rgb(16, 53, 63);
/* oklch */ color: oklch(30.8% 0.045 218.9);

Tailwind

colors: {
  custom: {
    50: '#556c74',
    500: '#10353f',
    950: '#000000',
  },
}

SCSS

$custom: #10353f;
$custom-light: #556c74;
$custom-dark: #000000;

JSON

{
  "hex": "#10353f",
  "rgb": {
    "r": 16,
    "g": 53,
    "b": 63
  },
  "hsl": {
    "h": 192.766,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.30753,
    "c": 0.0449,
    "h": 218.9
  },
  "luminance": 0.03015
}

Semantic roles & 50–950 ramp

primary

#10353F

secondary

#794132

accent

#6745E3

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #10353F

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

Preview Lab → · Contrast checker → · Palette generator →