#1A3555#1A3555

#1A3555 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.5% C 0.066 H 253.9°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#1A3555
RGB	rgb(26, 53, 85)
HSL	hsl(213, 53%, 22%)
HSV	hsv(213, 69%, 33%)
CMYK	cmyk(69.4%, 37.6%, 0%, 66.7%)
CIE-LAB	lab(21.66, 1.42, -22.44)
CIE-LCH	lch(21.66, 22.49, 273.63°)
OKLab	oklab(32.47% -0.0183 -0.0636)
OKLCH	oklch(32.47% 0.066 253.9)
XYZ	xyz(3.3382, 3.4214, 9.0770)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3555 #553A1A

analogous

#1A5355 #1A3555 #1D1A55

triadic

#1A3555 #551A35 #35551A

tetradic

#1A3555 #551A53 #553A1A #1A551D

square

#1A3555 #551A53 #553A1A #1A551D

split-complementary

#1A3555 #551D1A #53551A

monochromatic

#070F17 #0C1826 #1A3555 #285284 #376FB3

Accessibility & contrast

On white

12.47

#1A3555 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1A3555 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3555

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3555	#FFFFFF	#000000	##FFFFFF
##1A3555	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273756

Deuteranopia (green-blind)

#1F3154

Tritanopia (blue-blind)

#003C41

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a3555;
/* rgb */ color: rgb(26, 53, 85);
/* oklch */ color: oklch(32.5% 0.066 253.9);

Tailwind

colors: {
  custom: {
    50: '#5d6b85',
    500: '#1a3555',
    950: '#000000',
  },
}

SCSS

$custom: #1a3555;
$custom-light: #5d6b85;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3555",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 85
  },
  "hsl": {
    "h": 212.542,
    "s": 53.153,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32474,
    "c": 0.06618,
    "h": 253.9
  },
  "luminance": 0.03422
}

Semantic roles & 50–950 ramp

primary

#1A3555

secondary

#8B6940

accent

#9A4BDD

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1A3555

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

Preview Lab → · Contrast checker → · Palette generator →