#1A3A5D#1A3A5D

#1A3A5D is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.3% C 0.072 H 252.5°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#1A3A5D
RGB	rgb(26, 58, 93)
HSL	hsl(211, 56%, 23%)
HSV	hsv(211, 72%, 36%)
CMYK	cmyk(72%, 37.6%, 0%, 63.5%)
CIE-LAB	lab(23.79, 1.16, -24.34)
CIE-LCH	lch(23.79, 24.37, 272.73°)
OKLab	oklab(34.29% -0.0218 -0.0691)
OKLCH	oklch(34.29% 0.072 252.5)
XYZ	xyz(3.9141, 4.0356, 10.9265)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3A5D #5D3D1A

analogous

#1A5B5D #1A3A5D #1B1A5D

triadic

#1A3A5D #5D1A3A #3A5D1A

tetradic

#1A3A5D #5D1A5B #5D3D1A #1A5D1B

square

#1A3A5D #5D1A5B #5D3D1A #1A5D1B

split-complementary

#1A3A5D #5D1B1A #5B5D1A

monochromatic

#070F18 #0D1C2D #1A3A5D #27588D #3576BD

Accessibility & contrast

On white

11.62

#1A3A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1A3A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A5D

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3A5D	#FFFFFF	#000000	##FFFFFF
##1A3A5D	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3C5E

Deuteranopia (green-blind)

#21365C

Tritanopia (blue-blind)

#004247

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1a3a5d;
/* rgb */ color: rgb(26, 58, 93);
/* oklch */ color: oklch(34.3% 0.072 252.5);

Tailwind

colors: {
  custom: {
    50: '#5f6f8b',
    500: '#1a3a5d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3a5d;
$custom-light: #5f6f8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3a5d",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 93
  },
  "hsl": {
    "h": 211.343,
    "s": 56.303,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34294,
    "c": 0.07242,
    "h": 252.5
  },
  "luminance": 0.04036
}

Semantic roles & 50–950 ramp

primary

#1A3A5D

secondary

#936B40

accent

#9748E0

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1A3A5D

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

Preview Lab → · Contrast checker → · Palette generator →