#1A1D77#1A1D77

#1A1D77 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.148 H 271.9°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#1A1D77
RGB	rgb(26, 29, 119)
HSL	hsl(238, 64%, 28%)
HSV	hsv(238, 78%, 47%)
CMYK	cmyk(78.2%, 75.6%, 0%, 53.3%)
CIE-LAB	lab(17.60, 31.87, -51.22)
CIE-LCH	lch(17.60, 60.32, 301.89°)
OKLab	oklab(30.3% 0.0049 -0.1482)
OKLCH	oklch(30.3% 0.148 271.9)
XYZ	xyz(4.1940, 2.4298, 17.6972)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1D77 #77741A

analogous

#1A4B77 #1A1D77 #451A77

triadic

#1A1D77 #771A1D #1D771A

tetradic

#1A1D77 #771A4B #77741A #1A7745

square

#1A1D77 #771A4B #77741A #1A7745

split-complementary

#1A1D77 #77451A #4B771A

monochromatic

#050619 #0F1145 #1A1D77 #2529A9 #383DD3

Accessibility & contrast

On white

14.13

#1A1D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#1A1D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1D77

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1D77	#FFFFFF	#000000	##FFFFFF
##1A1D77	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307A

Deuteranopia (green-blind)

#002775

Tritanopia (blue-blind)

#003748

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a1d77;
/* rgb */ color: rgb(26, 29, 119);
/* oklch */ color: oklch(30.3% 0.148 271.9);

Tailwind

colors: {
  custom: {
    50: '#685a9f',
    500: '#1a1d77',
    950: '#000000',
  },
}

SCSS

$custom: #1a1d77;
$custom-light: #685a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1d77",
  "rgb": {
    "r": 26,
    "g": 29,
    "b": 119
  },
  "hsl": {
    "h": 238.065,
    "s": 64.138,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30302,
    "c": 0.14833,
    "h": 271.9
  },
  "luminance": 0.0243
}

Semantic roles & 50–950 ramp

primary

#1A1D77

secondary

#ACA841

accent

#E241E7

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040F

muted

#7A797E

Preview Lab

Preview with #1A1D77

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

Preview Lab → · Contrast checker → · Palette generator →