#1A3D5D#1A3D5D

#1A3D5D is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.1% C 0.069 H 248.6°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D5D
RGB	rgb(26, 61, 93)
HSL	hsl(209, 56%, 23%)
HSV	hsv(209, 72%, 36%)
CMYK	cmyk(72%, 34.4%, 0%, 63.5%)
CIE-LAB	lab(24.79, -0.88, -22.76)
CIE-LCH	lch(24.79, 22.78, 267.78°)
OKLab	oklab(35.08% -0.0253 -0.0644)
OKLCH	oklch(35.08% 0.069 248.6)
XYZ	xyz(4.0698, 4.3470, 10.9784)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D5D #5D3A1A

analogous

#1A5D5B #1A3D5D #1A1B5D

triadic

#1A3D5D #5D1A3D #3D5D1A

tetradic

#1A3D5D #5B1A5D #5D3A1A #1B5D1A

square

#1A3D5D #5B1A5D #5D3A1A #1B5D1A

split-complementary

#1A3D5D #5D1A1B #5D5B1A

monochromatic

#071018 #0D1E2D #1A3D5D #275C8D #357CBD

Accessibility & contrast

On white

11.23

#1A3D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1A3D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D5D

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D5D	#FFFFFF	#000000	##FFFFFF
##1A3D5D	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3E5E

Deuteranopia (green-blind)

#26385C

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a3d5d;
/* rgb */ color: rgb(26, 61, 93);
/* oklch */ color: oklch(35.1% 0.069 248.6);

Tailwind

colors: {
  custom: {
    50: '#5f728b',
    500: '#1a3d5d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d5d;
$custom-light: #5f728b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d5d",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 208.657,
    "s": 56.303,
    "l": 23.333
  },
  "oklch": {
    "l": 0.35077,
    "c": 0.06921,
    "h": 248.6
  },
  "luminance": 0.04347
}

Semantic roles & 50–950 ramp

primary

#1A3D5D

secondary

#936840

accent

#9148E0

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1A3D5D

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

Preview Lab → · Contrast checker → · Palette generator →