#10405A#10405A

#10405A is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.067 H 237.3°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#10405A
RGB	rgb(16, 64, 90)
HSL	hsl(201, 70%, 21%)
HSV	hsv(201, 82%, 35%)
CMYK	cmyk(82.2%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(25.30, -5.70, -20.02)
CIE-LCH	lch(25.30, 20.82, 254.10°)
OKLab	oklab(35.34% -0.0363 -0.0565)
OKLCH	oklch(35.34% 0.067 237.3)
XYZ	xyz(3.8918, 4.5147, 10.3372)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10405A #5A2A10

analogous

#105A4F #10405A #101B5A

triadic

#10405A #5A1040 #405A10

tetradic

#10405A #4F105A #5A2A10 #1B5A10

square

#10405A #4F105A #5A2A10 #1B5A10

split-complementary

#10405A #5A101B #5A4F10

monochromatic

#05121A #071B26 #10405A #19658E #228AC2

Accessibility & contrast

On white

11.04

#10405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#10405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10405A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10405A	#FFFFFF	#000000	##FFFFFF
##10405A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405B

Deuteranopia (green-blind)

#2A395A

Tritanopia (blue-blind)

#004749

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #10405a;
/* rgb */ color: rgb(16, 64, 90);
/* oklch */ color: oklch(35.3% 0.067 237.3);

Tailwind

colors: {
  custom: {
    50: '#5b7488',
    500: '#10405a',
    950: '#000000',
  },
}

SCSS

$custom: #10405a;
$custom-light: #5b7488;
$custom-dark: #000000;

JSON

{
  "hex": "#10405a",
  "rgb": {
    "r": 16,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 201.081,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.35338,
    "c": 0.06721,
    "h": 237.3
  },
  "luminance": 0.04515
}

Semantic roles & 50–950 ramp

primary

#10405A

secondary

#935533

accent

#7A3BED

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #10405A

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

Preview Lab → · Contrast checker → · Palette generator →