#10333A#10333A

#10333A is a dark, muted cyan. Relative luminance 0.028; OKLCH L 29.9% C 0.042 H 213.0°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#10333A
RGB	rgb(16, 51, 58)
HSL	hsl(190, 57%, 15%)
HSV	hsv(190, 72%, 23%)
CMYK	cmyk(72.4%, 12.1%, 0%, 77.3%)
CIE-LAB	lab(19.15, -9.88, -8.16)
CIE-LCH	lch(19.15, 12.81, 219.54°)
OKLab	oklab(29.92% -0.0348 -0.0226)
OKLCH	oklch(29.92% 0.042 213)
XYZ	xyz(2.1609, 2.7831, 4.4255)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10333A #3A1710

analogous

#103A2C #10333A #101E3A

triadic

#10333A #3A1033 #333A10

tetradic

#10333A #2C103A #3A1710 #1E3A10

square

#10333A #2C103A #3A1710 #1E3A10

split-complementary

#10333A #3A101E #3A2C10

monochromatic

#071518 #071518 #10333A #1D5D6A #2A879A

Accessibility & contrast

On white

13.49

#10333A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#10333A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10333A

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10333A	#FFFFFF	#000000	##FFFFFF
##10333A	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E313A

Deuteranopia (green-blind)

#272D3A

Tritanopia (blue-blind)

#003635

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #10333a;
/* rgb */ color: rgb(16, 51, 58);
/* oklch */ color: oklch(29.9% 0.042 213.0);

Tailwind

colors: {
  custom: {
    50: '#546a70',
    500: '#10333a',
    950: '#000000',
  },
}

SCSS

$custom: #10333a;
$custom-light: #546a70;
$custom-dark: #000000;

JSON

{
  "hex": "#10333a",
  "rgb": {
    "r": 16,
    "g": 51,
    "b": 58
  },
  "hsl": {
    "h": 190,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.29918,
    "c": 0.04152,
    "h": 213
  },
  "luminance": 0.02783
}

Semantic roles & 50–950 ramp

primary

#10333A

secondary

#743D32

accent

#6148E0

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #10333A

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

Preview Lab → · Contrast checker → · Palette generator →