#1A3E9F#1A3E9F

#1A3E9F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.163 H 264.5°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#1A3E9F
RGB	rgb(26, 62, 159)
HSL	hsl(224, 72%, 36%)
HSV	hsv(224, 84%, 62%)
CMYK	cmyk(83.6%, 61%, 0%, 37.6%)
CIE-LAB	lab(29.83, 25.21, -56.06)
CIE-LCH	lch(29.83, 61.47, 294.22°)
OKLab	oklab(40.44% -0.0156 -0.1622)
OKLCH	oklch(40.44% 0.163 264.5)
XYZ	xyz(8.4044, 6.1670, 33.5416)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3E9F #9F7B1A

analogous

#1A819F #1A3E9F #381A9F

triadic

#1A3E9F #9F1A3E #3E9F1A

tetradic

#1A3E9F #9F1A81 #9F7B1A #1A9F38

square

#1A3E9F #9F1A81 #9F7B1A #1A9F38

split-complementary

#1A3E9F #9F381A #819F1A

monochromatic

#091536 #11296A #1A3E9F #2353D4 #5178E3

Accessibility & contrast

On white

9.40

#1A3E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1A3E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E9F

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3E9F	#FFFFFF	#000000	##FFFFFF
##1A3E9F	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA2

Deuteranopia (green-blind)

#00409D

Tritanopia (blue-blind)

#005768

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1a3e9f;
/* rgb */ color: rgb(26, 62, 159);
/* oklch */ color: oklch(40.4% 0.163 264.5);

Tailwind

colors: {
  custom: {
    50: '#6f72bc',
    500: '#1a3e9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a3e9f;
$custom-light: #6f72bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3e9f",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 159
  },
  "hsl": {
    "h": 223.759,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40443,
    "c": 0.16291,
    "h": 264.5
  },
  "luminance": 0.06168
}

Semantic roles & 50–950 ramp

primary

#1A3E9F

secondary

#C5A550

accent

#BE39EF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1A3E9F

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

Preview Lab → · Contrast checker → · Palette generator →