#10405E#10405E

#10405E is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.6% C 0.072 H 241.1°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#10405E
RGB	rgb(16, 64, 94)
HSL	hsl(203, 71%, 22%)
HSV	hsv(203, 83%, 37%)
CMYK	cmyk(83%, 31.9%, 0%, 63.1%)
CIE-LAB	lab(25.52, -4.07, -22.29)
CIE-LCH	lch(25.52, 22.66, 259.64°)
OKLab	oklab(35.58% -0.0349 -0.0631)
OKLCH	oklch(35.58% 0.072 241.1)
XYZ	xyz(4.0667, 4.5846, 11.2581)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10405E #5E2E10

analogous

#105E55 #10405E #10195E

triadic

#10405E #5E1040 #405E10

tetradic

#10405E #55105E #5E2E10 #195E10

square

#10405E #55105E #5E2E10 #195E10

split-complementary

#10405E #5E1019 #5E5510

monochromatic

#04121A #071C2A #10405E #196492 #2287C7

Accessibility & contrast

On white

10.95

#10405E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#10405E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10405E

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10405E	#FFFFFF	#000000	##FFFFFF
##10405E	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32405F

Deuteranopia (green-blind)

#27395D

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #10405e;
/* rgb */ color: rgb(16, 64, 94);
/* oklch */ color: oklch(35.6% 0.072 241.1);

Tailwind

colors: {
  custom: {
    50: '#5c748c',
    500: '#10405e',
    950: '#000000',
  },
}

SCSS

$custom: #10405e;
$custom-light: #5c748c;
$custom-dark: #000000;

JSON

{
  "hex": "#10405e",
  "rgb": {
    "r": 16,
    "g": 64,
    "b": 94
  },
  "hsl": {
    "h": 203.077,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.35576,
    "c": 0.07211,
    "h": 241.1
  },
  "luminance": 0.04585
}

Semantic roles & 50–950 ramp

primary

#10405E

secondary

#975933

accent

#7F3AEE

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #10405E

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

Preview Lab → · Contrast checker → · Palette generator →