#1A355E#1A355E

#1A355E is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.1% C 0.080 H 258.6°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1A355E
RGB	rgb(26, 53, 94)
HSL	hsl(216, 57%, 24%)
HSV	hsv(216, 72%, 37%)
CMYK	cmyk(72.3%, 43.6%, 0%, 63.1%)
CIE-LAB	lab(22.21, 5.05, -27.50)
CIE-LCH	lch(22.21, 27.96, 280.41°)
OKLab	oklab(33.08% -0.0158 -0.0784)
OKLCH	oklch(33.08% 0.08 258.6)
XYZ	xyz(3.7188, 3.5736, 11.0813)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A355E #5E431A

analogous

#1A575E #1A355E #211A5E

triadic

#1A355E #5E1A35 #355E1A

tetradic

#1A355E #5E1A57 #5E431A #1A5E21

square

#1A355E #5E1A57 #5E431A #1A5E21

split-complementary

#1A355E #5E211A #575E1A

monochromatic

#070E18 #0D1A2E #1A355E #27508E #356BBE

Accessibility & contrast

On white

12.25

#1A355E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1A355E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A355E

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A355E	#FFFFFF	#000000	##FFFFFF
##1A355E	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223960

Deuteranopia (green-blind)

#18325D

Tritanopia (blue-blind)

#003E45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a355e;
/* rgb */ color: rgb(26, 53, 94);
/* oklch */ color: oklch(33.1% 0.080 258.6);

Tailwind

colors: {
  custom: {
    50: '#5f6b8c',
    500: '#1a355e',
    950: '#000000',
  },
}

SCSS

$custom: #1a355e;
$custom-light: #5f6b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a355e",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 94
  },
  "hsl": {
    "h": 216.176,
    "s": 56.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33082,
    "c": 0.07998,
    "h": 258.6
  },
  "luminance": 0.03574
}

Semantic roles & 50–950 ramp

primary

#1A355E

secondary

#947340

accent

#A448E0

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1A355E

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

Preview Lab → · Contrast checker → · Palette generator →