#1A2D81#1A2D81

#1A2D81 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.2% C 0.143 H 267.9°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#1A2D81
RGB	rgb(26, 45, 129)
HSL	hsl(229, 66%, 30%)
HSV	hsv(229, 80%, 51%)
CMYK	cmyk(79.8%, 65.1%, 0%, 49.4%)
CIE-LAB	lab(22.59, 25.01, -49.38)
CIE-LCH	lch(22.59, 55.35, 296.86°)
OKLab	oklab(34.24% -0.0053 -0.1428)
OKLCH	oklch(34.24% 0.143 267.9)
XYZ	xyz(5.3255, 3.6808, 21.1944)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A2D81 #816E1A

analogous

#1A6081 #1A2D81 #3A1A81

triadic

#1A2D81 #811A2D #2D811A

tetradic

#1A2D81 #811A60 #816E1A #1A813A

square

#1A2D81 #811A60 #816E1A #1A813A

split-complementary

#1A2D81 #813A1A #60811A

monochromatic

#05091B #101B4E #1A2D81 #243FB4 #3D5AD8

Accessibility & contrast

On white

12.10

#1A2D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1A2D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A2D81

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A2D81	#FFFFFF	#000000	##FFFFFF
##1A2D81	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#00317F

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a2d81;
/* rgb */ color: rgb(26, 45, 129);
/* oklch */ color: oklch(34.2% 0.143 267.9);

Tailwind

colors: {
  custom: {
    50: '#6965a6',
    500: '#1a2d81',
    950: '#000000',
  },
}

SCSS

$custom: #1a2d81;
$custom-light: #6965a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1a2d81",
  "rgb": {
    "r": 26,
    "g": 45,
    "b": 129
  },
  "hsl": {
    "h": 228.932,
    "s": 66.452,
    "l": 30.392
  },
  "oklch": {
    "l": 0.34236,
    "c": 0.14292,
    "h": 267.9
  },
  "luminance": 0.03681
}

Semantic roles & 50–950 ramp

primary

#1A2D81

secondary

#B5A042

accent

#CA3EE9

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1A2D81

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

Preview Lab → · Contrast checker → · Palette generator →