#1A355D#1A355D

#1A355D is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.0% C 0.078 H 258.2°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#1A355D
RGB	rgb(26, 53, 93)
HSL	hsl(216, 56%, 23%)
HSV	hsv(216, 72%, 36%)
CMYK	cmyk(72%, 43%, 0%, 63.5%)
CIE-LAB	lab(22.14, 4.64, -26.95)
CIE-LCH	lch(22.14, 27.34, 279.78°)
OKLab	oklab(33.01% -0.0161 -0.0768)
OKLCH	oklch(33.01% 0.078 258.2)
XYZ	xyz(3.6742, 3.5558, 10.8465)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A355D #5D421A

analogous

#1A565D #1A355D #201A5D

triadic

#1A355D #5D1A35 #355D1A

tetradic

#1A355D #5D1A56 #5D421A #1A5D20

square

#1A355D #5D1A56 #5D421A #1A5D20

split-complementary

#1A355D #5D201A #565D1A

monochromatic

#070E18 #0D1A2D #1A355D #27508D #356CBD

Accessibility & contrast

On white

12.27

#1A355D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1A355D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A355D

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A355D	#FFFFFF	#000000	##FFFFFF
##1A355D	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23385F

Deuteranopia (green-blind)

#19325C

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a355d;
/* rgb */ color: rgb(26, 53, 93);
/* oklch */ color: oklch(33.0% 0.078 258.2);

Tailwind

colors: {
  custom: {
    50: '#5f6b8b',
    500: '#1a355d',
    950: '#000000',
  },
}

SCSS

$custom: #1a355d;
$custom-light: #5f6b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a355d",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 93
  },
  "hsl": {
    "h": 215.821,
    "s": 56.303,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33012,
    "c": 0.07844,
    "h": 258.2
  },
  "luminance": 0.03556
}

Semantic roles & 50–950 ramp

primary

#1A355D

secondary

#937140

accent

#A348E0

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1A355D

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

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