#1A3A90#1A3A90

#1A3A90 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.147 H 264.7°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#1A3A90
RGB	rgb(26, 58, 144)
HSL	hsl(224, 69%, 33%)
HSV	hsv(224, 82%, 56%)
CMYK	cmyk(81.9%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(27.46, 21.97, -50.76)
CIE-LCH	lch(27.46, 55.32, 293.41°)
OKLab	oklab(38.27% -0.0136 -0.1467)
OKLCH	oklch(38.27% 0.147 264.7)
XYZ	xyz(6.9713, 5.2585, 27.0277)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3A90 #90701A

analogous

#1A7590 #1A3A90 #351A90

triadic

#1A3A90 #901A3A #3A901A

tetradic

#1A3A90 #901A75 #90701A #1A9035

square

#1A3A90 #901A75 #90701A #1A9035

split-complementary

#1A3A90 #90351A #75901A

monochromatic

#071028 #11255C #1A3A90 #234FC4 #4770DE

Accessibility & contrast

On white

10.23

#1A3A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1A3A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3A90

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3A90	#FFFFFF	#000000	##FFFFFF
##1A3A90	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a3a90;
/* rgb */ color: rgb(26, 58, 144);
/* oklch */ color: oklch(38.3% 0.147 264.7);

Tailwind

colors: {
  custom: {
    50: '#6c6fb1',
    500: '#1a3a90',
    950: '#000000',
  },
}

SCSS

$custom: #1a3a90;
$custom-light: #6c6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3a90",
  "rgb": {
    "r": 26,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 223.729,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38272,
    "c": 0.14733,
    "h": 264.7
  },
  "luminance": 0.05259
}

Semantic roles & 50–950 ramp

primary

#1A3A90

secondary

#BF9E47

accent

#BC3CEC

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1A3A90

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

Preview Lab → · Contrast checker → · Palette generator →