#1A3390#1A3390

#1A3390 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.156 H 266.6°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#1A3390
RGB	rgb(26, 51, 144)
HSL	hsl(227, 69%, 33%)
HSV	hsv(227, 82%, 56%)
CMYK	cmyk(81.9%, 64.6%, 0%, 43.5%)
CIE-LAB	lab(25.56, 26.80, -53.86)
CIE-LCH	lch(25.56, 60.16, 296.45°)
OKLab	oklab(36.86% -0.0093 -0.1559)
OKLCH	oklch(36.86% 0.156 266.6)
XYZ	xyz(6.6421, 4.6001, 26.9180)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3390 #90771A

analogous

#1A6E90 #1A3390 #3C1A90

triadic

#1A3390 #901A33 #33901A

tetradic

#1A3390 #901A6E #90771A #1A903C

square

#1A3390 #901A6E #90771A #1A903C

split-complementary

#1A3390 #903C1A #6E901A

monochromatic

#070E28 #11215C #1A3390 #2345C4 #4767DE

Accessibility & contrast

On white

10.94

#1A3390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1A3390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3390

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3390	#FFFFFF	#000000	##FFFFFF
##1A3390	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004293

Deuteranopia (green-blind)

#00378E

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a3390;
/* rgb */ color: rgb(26, 51, 144);
/* oklch */ color: oklch(36.9% 0.156 266.6);

Tailwind

colors: {
  custom: {
    50: '#6c6ab1',
    500: '#1a3390',
    950: '#000000',
  },
}

SCSS

$custom: #1a3390;
$custom-light: #6c6ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3390",
  "rgb": {
    "r": 26,
    "g": 51,
    "b": 144
  },
  "hsl": {
    "h": 227.288,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36861,
    "c": 0.15616,
    "h": 266.6
  },
  "luminance": 0.04601
}

Semantic roles & 50–950 ramp

primary

#1A3390

secondary

#BFA647

accent

#C73CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A3390

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

Preview Lab → · Contrast checker → · Palette generator →