#1A3C9E#1A3C9E

#1A3C9E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.164 H 264.9°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#1A3C9E
RGB	rgb(26, 60, 158)
HSL	hsl(225, 72%, 36%)
HSV	hsv(225, 84%, 62%)
CMYK	cmyk(83.5%, 62%, 0%, 38%)
CIE-LAB	lab(29.21, 26.18, -56.47)
CIE-LCH	lch(29.21, 62.24, 294.87°)
OKLab	oklab(39.95% -0.0145 -0.1634)
OKLCH	oklch(39.95% 0.164 264.9)
XYZ	xyz(8.2112, 5.9190, 33.0508)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3C9E #9E7C1A

analogous

#1A7E9E #1A3C9E #3A1A9E

triadic

#1A3C9E #9E1A3C #3C9E1A

tetradic

#1A3C9E #9E1A7E #9E7C1A #1A9E3A

square

#1A3C9E #9E1A7E #9E7C1A #1A9E3A

split-complementary

#1A3C9E #9E3A1A #7E9E1A

monochromatic

#091435 #112869 #1A3C9E #2350D3 #5076E2

Accessibility & contrast

On white

9.62

#1A3C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1A3C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3C9E

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3C9E	#FFFFFF	#000000	##FFFFFF
##1A3C9E	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1a3c9e;
/* rgb */ color: rgb(26, 60, 158);
/* oklch */ color: oklch(40.0% 0.164 264.9);

Tailwind

colors: {
  custom: {
    50: '#6f71bc',
    500: '#1a3c9e',
    950: '#000000',
  },
}

SCSS

$custom: #1a3c9e;
$custom-light: #6f71bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3c9e",
  "rgb": {
    "r": 26,
    "g": 60,
    "b": 158
  },
  "hsl": {
    "h": 224.545,
    "s": 71.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.39951,
    "c": 0.16404,
    "h": 264.9
  },
  "luminance": 0.0592
}

Semantic roles & 50–950 ramp

primary

#1A3C9E

secondary

#C5A64F

accent

#C039EE

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1A3C9E

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

Preview Lab → · Contrast checker → · Palette generator →