#1A3F52#1A3F52

#1A3F52 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.054 H 233.6°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#1A3F52
RGB	rgb(26, 63, 82)
HSL	hsl(200, 52%, 21%)
HSV	hsv(200, 68%, 32%)
CMYK	cmyk(68.3%, 23.2%, 0%, 67.8%)
CIE-LAB	lab(24.90, -6.44, -15.39)
CIE-LCH	lch(24.90, 16.69, 247.29°)
OKLab	oklab(34.98% -0.0318 -0.0431)
OKLCH	oklch(34.98% 0.054 233.6)
XYZ	xyz(3.7259, 4.3834, 8.6307)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3F52 #522D1A

analogous

#1A5249 #1A3F52 #1A2352

triadic

#1A3F52 #521A3F #3F521A

tetradic

#1A3F52 #491A52 #522D1A #23521A

square

#1A3F52 #491A52 #522D1A #23521A

split-complementary

#1A3F52 #521A23 #52491A

monochromatic

#071217 #0B1B24 #1A3F52 #296380 #3786AF

Accessibility & contrast

On white

11.19

#1A3F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1A3F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3F52

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3F52	#FFFFFF	#000000	##FFFFFF
##1A3F52	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363E53

Deuteranopia (green-blind)

#2E3952

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a3f52;
/* rgb */ color: rgb(26, 63, 82);
/* oklch */ color: oklch(35.0% 0.054 233.6);

Tailwind

colors: {
  custom: {
    50: '#5d7482',
    500: '#1a3f52',
    950: '#000000',
  },
}

SCSS

$custom: #1a3f52;
$custom-light: #5d7482;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3f52",
  "rgb": {
    "r": 26,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 200.357,
    "s": 51.852,
    "l": 21.176
  },
  "oklch": {
    "l": 0.34981,
    "c": 0.05355,
    "h": 233.6
  },
  "luminance": 0.04384
}

Semantic roles & 50–950 ramp

primary

#1A3F52

secondary

#885840

accent

#7D4CDB

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #1A3F52

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

Preview Lab → · Contrast checker → · Palette generator →