#1A3D5E#1A3D5E

#1A3D5E is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.071 H 249.3°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#1A3D5E
RGB	rgb(26, 61, 94)
HSL	hsl(209, 57%, 24%)
HSV	hsv(209, 72%, 37%)
CMYK	cmyk(72.3%, 35.1%, 0%, 63.1%)
CIE-LAB	lab(24.84, -0.49, -23.33)
CIE-LCH	lch(24.84, 23.33, 268.81°)
OKLab	oklab(35.14% -0.0249 -0.0661)
OKLCH	oklch(35.14% 0.071 249.3)
XYZ	xyz(4.1144, 4.3648, 11.2132)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3D5E #5E3B1A

analogous

#1A5E5D #1A3D5E #1A1B5E

triadic

#1A3D5E #5E1A3D #3D5E1A

tetradic

#1A3D5E #5D1A5E #5E3B1A #1B5E1A

square

#1A3D5E #5D1A5E #5E3B1A #1B5E1A

split-complementary

#1A3D5E #5E1A1B #5E5D1A

monochromatic

#071018 #0D1E2E #1A3D5E #275C8E #357BBE

Accessibility & contrast

On white

11.21

#1A3D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1A3D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3D5E

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3D5E	#FFFFFF	#000000	##FFFFFF
##1A3D5E	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3F5F

Deuteranopia (green-blind)

#25385D

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1a3d5e;
/* rgb */ color: rgb(26, 61, 94);
/* oklch */ color: oklch(35.1% 0.071 249.3);

Tailwind

colors: {
  custom: {
    50: '#5f728c',
    500: '#1a3d5e',
    950: '#000000',
  },
}

SCSS

$custom: #1a3d5e;
$custom-light: #5f728c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3d5e",
  "rgb": {
    "r": 26,
    "g": 61,
    "b": 94
  },
  "hsl": {
    "h": 209.118,
    "s": 56.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35139,
    "c": 0.07062,
    "h": 249.3
  },
  "luminance": 0.04365
}

Semantic roles & 50–950 ramp

primary

#1A3D5E

secondary

#946940

accent

#9248E0

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1A3D5E

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

Preview Lab → · Contrast checker → · Palette generator →