#1A356B#1A356B

#1A356B is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.100 H 262.4°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#1A356B
RGB	rgb(26, 53, 107)
HSL	hsl(220, 61%, 26%)
HSV	hsv(220, 76%, 42%)
CMYK	cmyk(75.7%, 50.5%, 0%, 58%)
CIE-LAB	lab(23.09, 10.38, -34.54)
CIE-LCH	lch(23.09, 36.07, 286.73°)
OKLab	oklab(34.05% -0.0132 -0.0991)
OKLCH	oklch(34.05% 0.1 262.4)
XYZ	xyz(4.3520, 3.8269, 14.4164)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A356B #6B501A

analogous

#1A5D6B #1A356B #271A6B

triadic

#1A356B #6B1A35 #356B1A

tetradic

#1A356B #6B1A5D #6B501A #1A6B27

square

#1A356B #6B1A5D #6B501A #1A6B27

split-complementary

#1A356B #6B271A #5D6B1A

monochromatic

#060C19 #0E1D3A #1A356B #264D9C #3266CD

Accessibility & contrast

On white

11.90

#1A356B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1A356B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A356B

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A356B	#FFFFFF	#000000	##FFFFFF
##1A356B	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183B6D

Deuteranopia (green-blind)

#03346A

Tritanopia (blue-blind)

#00424A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1a356b;
/* rgb */ color: rgb(26, 53, 107);
/* oklch */ color: oklch(34.0% 0.100 262.4);

Tailwind

colors: {
  custom: {
    50: '#626b96',
    500: '#1a356b',
    950: '#000000',
  },
}

SCSS

$custom: #1a356b;
$custom-light: #626b96;
$custom-dark: #000000;

JSON

{
  "hex": "#1a356b",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 107
  },
  "hsl": {
    "h": 220,
    "s": 60.902,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34047,
    "c": 0.09996,
    "h": 262.4
  },
  "luminance": 0.03827
}

Semantic roles & 50–950 ramp

primary

#1A356B

secondary

#A08040

accent

#AF44E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1A356B

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

Preview Lab → · Contrast checker → · Palette generator →