#1A3C5D#1A3C5D

#1A3C5D is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.070 H 249.9°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C5D
RGB	rgb(26, 60, 93)
HSL	hsl(210, 56%, 23%)
HSV	hsv(210, 72%, 36%)
CMYK	cmyk(72%, 35.5%, 0%, 63.5%)
CIE-LAB	lab(24.45, -0.21, -23.29)
CIE-LCH	lch(24.45, 23.29, 269.49°)
OKLab	oklab(34.82% -0.0241 -0.066)
OKLCH	oklch(34.82% 0.07 249.9)
XYZ	xyz(4.0169, 4.2412, 10.9607)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C5D #5D3B1A

analogous

#1A5D5C #1A3C5D #1A1A5D

triadic

#1A3C5D #5D1A3C #3C5D1A

tetradic

#1A3C5D #5C1A5D #5D3B1A #1A5D1A

square

#1A3C5D #5C1A5D #5D3B1A #1A5D1A

split-complementary

#1A3C5D #5D1A1A #5D5C1A

monochromatic

#070F18 #0D1D2D #1A3C5D #275B8D #357ABD

Accessibility & contrast

On white

11.36

#1A3C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1A3C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C5D

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C5D	#FFFFFF	#000000	##FFFFFF
##1A3C5D	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3E5E

Deuteranopia (green-blind)

#24375C

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a3c5d;
/* rgb */ color: rgb(26, 60, 93);
/* oklch */ color: oklch(34.8% 0.070 249.9);

Tailwind

colors: {
  custom: {
    50: '#5f718b',
    500: '#1a3c5d',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c5d;
$custom-light: #5f718b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c5d",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 93
  },
  "hsl": {
    "h": 209.552,
    "s": 56.303,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34815,
    "c": 0.07024,
    "h": 249.9
  },
  "luminance": 0.04242
}

Semantic roles & 50–950 ramp

primary

#1A3C5D

secondary

#936940

accent

#9348E0

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #1A3C5D

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

Preview Lab → · Contrast checker → · Palette generator →