#1A405C#1A405C

#1A405C is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.8% C 0.065 H 243.4°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#1A405C
RGB	rgb(26, 64, 92)
HSL	hsl(205, 56%, 23%)
HSV	hsv(205, 72%, 36%)
CMYK	cmyk(71.7%, 30.4%, 0%, 63.9%)
CIE-LAB	lab(25.74, -3.28, -20.62)
CIE-LCH	lch(25.74, 20.88, 260.97°)
OKLab	oklab(35.81% -0.0291 -0.0582)
OKLCH	oklch(35.81% 0.065 243.4)
XYZ	xyz(4.1904, 4.6587, 10.8015)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A405C #5C361A

analogous

#1A5C57 #1A405C #1A1F5C

triadic

#1A405C #5C1A40 #405C1A

tetradic

#1A405C #571A5C #5C361A #1F5C1A

square

#1A405C #571A5C #5C361A #1F5C1A

split-complementary

#1A405C #5C1A1F #5C571A

monochromatic

#071118 #0D1F2C #1A405C #27618C #3582BB

Accessibility & contrast

On white

10.87

#1A405C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1A405C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A405C

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A405C	#FFFFFF	#000000	##FFFFFF
##1A405C	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33415D

Deuteranopia (green-blind)

#2A3A5B

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a405c;
/* rgb */ color: rgb(26, 64, 92);
/* oklch */ color: oklch(35.8% 0.065 243.4);

Tailwind

colors: {
  custom: {
    50: '#5f748a',
    500: '#1a405c',
    950: '#000000',
  },
}

SCSS

$custom: #1a405c;
$custom-light: #5f748a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a405c",
  "rgb": {
    "r": 26,
    "g": 64,
    "b": 92
  },
  "hsl": {
    "h": 205.455,
    "s": 55.932,
    "l": 23.137
  },
  "oklch": {
    "l": 0.3581,
    "c": 0.06504,
    "h": 243.4
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#1A405C

secondary

#926340

accent

#8849DF

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1A405C

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

Preview Lab → · Contrast checker → · Palette generator →