#1A355F#1A355F

#1A355F is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.2% C 0.082 H 259.0°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#1A355F
RGB	rgb(26, 53, 95)
HSL	hsl(217, 57%, 24%)
HSV	hsv(217, 73%, 37%)
CMYK	cmyk(72.6%, 44.2%, 0%, 62.7%)
CIE-LAB	lab(22.27, 5.46, -28.05)
CIE-LCH	lch(22.27, 28.58, 281.01°)
OKLab	oklab(33.15% -0.0156 -0.08)
OKLCH	oklch(33.15% 0.082 259)
XYZ	xyz(3.7639, 3.5917, 11.3192)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A355F #5F441A

analogous

#1A575F #1A355F #211A5F

triadic

#1A355F #5F1A35 #355F1A

tetradic

#1A355F #5F1A57 #5F441A #1A5F21

square

#1A355F #5F1A57 #5F441A #1A5F21

split-complementary

#1A355F #5F211A #575F1A

monochromatic

#070D18 #0D1A2F #1A355F #27508F #346BBF

Accessibility & contrast

On white

12.22

#1A355F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1A355F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A355F

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A355F	#FFFFFF	#000000	##FFFFFF
##1A355F	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223961

Deuteranopia (green-blind)

#17325E

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a355f;
/* rgb */ color: rgb(26, 53, 95);
/* oklch */ color: oklch(33.2% 0.082 259.0);

Tailwind

colors: {
  custom: {
    50: '#606b8d',
    500: '#1a355f',
    950: '#000000',
  },
}

SCSS

$custom: #1a355f;
$custom-light: #606b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a355f",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 95
  },
  "hsl": {
    "h": 216.522,
    "s": 57.025,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33153,
    "c": 0.08153,
    "h": 259
  },
  "luminance": 0.03592
}

Semantic roles & 50–950 ramp

primary

#1A355F

secondary

#957440

accent

#A548E0

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1A355F

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

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