#1A3590#1A3590

#1A3590 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.154 H 266.1°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#1A3590
RGB	rgb(26, 53, 144)
HSL	hsl(226, 69%, 33%)
HSV	hsv(226, 82%, 56%)
CMYK	cmyk(81.9%, 63.2%, 0%, 43.5%)
CIE-LAB	lab(26.09, 25.43, -52.99)
CIE-LCH	lch(26.09, 58.78, 295.63°)
OKLab	oklab(37.25% -0.0105 -0.1533)
OKLCH	oklch(37.25% 0.154 266.1)
XYZ	xyz(6.7314, 4.7786, 26.9477)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3590 #90751A

analogous

#1A7090 #1A3590 #3A1A90

triadic

#1A3590 #901A35 #35901A

tetradic

#1A3590 #901A70 #90751A #1A903A

square

#1A3590 #901A70 #90751A #1A903A

split-complementary

#1A3590 #903A1A #70901A

monochromatic

#070F28 #11225C #1A3590 #2348C4 #4769DE

Accessibility & contrast

On white

10.74

#1A3590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1A3590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3590

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3590	#FFFFFF	#000000	##FFFFFF
##1A3590	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004393

Deuteranopia (green-blind)

#00388E

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1a3590;
/* rgb */ color: rgb(26, 53, 144);
/* oklch */ color: oklch(37.3% 0.154 266.1);

Tailwind

colors: {
  custom: {
    50: '#6c6bb1',
    500: '#1a3590',
    950: '#000000',
  },
}

SCSS

$custom: #1a3590;
$custom-light: #6c6bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3590",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 144
  },
  "hsl": {
    "h": 226.271,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37254,
    "c": 0.15367,
    "h": 266.1
  },
  "luminance": 0.04779
}

Semantic roles & 50–950 ramp

primary

#1A3590

secondary

#BFA447

accent

#C43CEC

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1A3590

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

Preview Lab → · Contrast checker → · Palette generator →