#10365A#10365A

#10365A is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.6% C 0.077 H 250.5°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#10365A
RGB	rgb(16, 54, 90)
HSL	hsl(209, 70%, 21%)
HSV	hsv(209, 82%, 35%)
CMYK	cmyk(82.2%, 40%, 0%, 64.7%)
CIE-LAB	lab(21.89, 1.04, -25.40)
CIE-LCH	lch(21.89, 25.42, 272.36°)
OKLab	oklab(32.65% -0.0257 -0.0724)
OKLCH	oklch(32.65% 0.077 250.5)
XYZ	xyz(3.3776, 3.4863, 10.1658)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10365A #5A3410

analogous

#105A59 #10365A #10115A

triadic

#10365A #5A1036 #365A10

tetradic

#10365A #59105A #5A3410 #115A10

square

#10365A #59105A #5A3410 #115A10

split-complementary

#10365A #5A1011 #5A5910

monochromatic

#05101A #071726 #10365A #19558E #2274C2

Accessibility & contrast

On white

12.37

#10365A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#10365A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10365A

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10365A	#FFFFFF	#000000	##FFFFFF
##10365A	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25385B

Deuteranopia (green-blind)

#1A3159

Tritanopia (blue-blind)

#003F43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #10365a;
/* rgb */ color: rgb(16, 54, 90);
/* oklch */ color: oklch(32.6% 0.077 250.5);

Tailwind

colors: {
  custom: {
    50: '#5b6c89',
    500: '#10365a',
    950: '#000000',
  },
}

SCSS

$custom: #10365a;
$custom-light: #5b6c89;
$custom-dark: #000000;

JSON

{
  "hex": "#10365a",
  "rgb": {
    "r": 16,
    "g": 54,
    "b": 90
  },
  "hsl": {
    "h": 209.189,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.32646,
    "c": 0.07678,
    "h": 250.5
  },
  "luminance": 0.03487
}

Semantic roles & 50–950 ramp

primary

#10365A

secondary

#936233

accent

#923BED

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #10365A

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

Preview Lab → · Contrast checker → · Palette generator →