#10375A#10375A

#10375A is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.9% C 0.076 H 249.3°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#10375A
RGB	rgb(16, 55, 90)
HSL	hsl(208, 70%, 21%)
HSV	hsv(208, 82%, 35%)
CMYK	cmyk(82.2%, 38.9%, 0%, 64.7%)
CIE-LAB	lab(22.23, 0.35, -24.86)
CIE-LCH	lch(22.23, 24.86, 270.80°)
OKLab	oklab(32.91% -0.0267 -0.0708)
OKLCH	oklch(32.91% 0.076 249.3)
XYZ	xyz(3.4246, 3.5803, 10.1815)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10375A #5A3310

analogous

#105A58 #10375A #10125A

triadic

#10375A #5A1037 #375A10

tetradic

#10375A #58105A #5A3310 #125A10

square

#10375A #58105A #5A3310 #125A10

split-complementary

#10375A #5A1012 #5A5810

monochromatic

#05101A #071726 #10375A #19578E #2277C2

Accessibility & contrast

On white

12.24

#10375A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#10375A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10375A

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10375A	#FFFFFF	#000000	##FFFFFF
##10375A	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27395B

Deuteranopia (green-blind)

#1C3259

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #10375a;
/* rgb */ color: rgb(16, 55, 90);
/* oklch */ color: oklch(32.9% 0.076 249.3);

Tailwind

colors: {
  custom: {
    50: '#5b6d89',
    500: '#10375a',
    950: '#000000',
  },
}

SCSS

$custom: #10375a;
$custom-light: #5b6d89;
$custom-dark: #000000;

JSON

{
  "hex": "#10375a",
  "rgb": {
    "r": 16,
    "g": 55,
    "b": 90
  },
  "hsl": {
    "h": 208.378,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32911,
    "c": 0.07564,
    "h": 249.3
  },
  "luminance": 0.03581
}

Semantic roles & 50–950 ramp

primary

#10375A

secondary

#936033

accent

#8F3BED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #10375A

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

Preview Lab → · Contrast checker → · Palette generator →