#1A3755#1A3755

#1A3755 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 33.0% C 0.064 H 251.0°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#1A3755
RGB	rgb(26, 55, 85)
HSL	hsl(211, 53%, 22%)
HSV	hsv(211, 69%, 33%)
CMYK	cmyk(69.4%, 35.3%, 0%, 66.7%)
CIE-LAB	lab(22.33, 0.04, -21.38)
CIE-LCH	lch(22.33, 21.38, 270.11°)
OKLab	oklab(33% -0.0208 -0.0605)
OKLCH	oklch(33% 0.064 251)
XYZ	xyz(3.4313, 3.6075, 9.1081)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3755 #55381A

analogous

#1A5555 #1A3755 #1A1A55

triadic

#1A3755 #551A37 #37551A

tetradic

#1A3755 #551A55 #55381A #1A551A

square

#1A3755 #551A55 #55381A #1A551A

split-complementary

#1A3755 #551A1A #55551A

monochromatic

#070F17 #0C1926 #1A3755 #285584 #3774B3

Accessibility & contrast

On white

12.20

#1A3755 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1A3755 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3755

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3755	#FFFFFF	#000000	##FFFFFF
##1A3755	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3956

Deuteranopia (green-blind)

#223354

Tritanopia (blue-blind)

#003E42

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a3755;
/* rgb */ color: rgb(26, 55, 85);
/* oklch */ color: oklch(33.0% 0.064 251.0);

Tailwind

colors: {
  custom: {
    50: '#5d6d85',
    500: '#1a3755',
    950: '#000000',
  },
}

SCSS

$custom: #1a3755;
$custom-light: #5d6d85;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3755",
  "rgb": {
    "r": 26,
    "g": 55,
    "b": 85
  },
  "hsl": {
    "h": 210.508,
    "s": 53.153,
    "l": 21.765
  },
  "oklch": {
    "l": 0.33,
    "c": 0.06395,
    "h": 251
  },
  "luminance": 0.03608
}

Semantic roles & 50–950 ramp

primary

#1A3755

secondary

#8B6640

accent

#954BDD

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05070B

muted

#797A7C

Preview Lab

Preview with #1A3755

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

Preview Lab → · Contrast checker → · Palette generator →