#1A1D79#1A1D79

#1A1D79 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.5% C 0.151 H 271.7°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#1A1D79
RGB	rgb(26, 29, 121)
HSL	hsl(238, 65%, 29%)
HSV	hsv(238, 79%, 47%)
CMYK	cmyk(78.5%, 76%, 0%, 52.5%)
CIE-LAB	lab(17.82, 32.60, -52.13)
CIE-LCH	lch(17.82, 61.48, 302.01°)
OKLab	oklab(30.53% 0.0045 -0.1509)
OKLCH	oklch(30.53% 0.151 271.7)
XYZ	xyz(4.3154, 2.4784, 18.3364)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1D79 #79761A

analogous

#1A4D79 #1A1D79 #471A79

triadic

#1A1D79 #791A1D #1D791A

tetradic

#1A1D79 #791A4D #79761A #1A7947

square

#1A1D79 #791A4D #79761A #1A7947

split-complementary

#1A1D79 #79471A #4D791A

monochromatic

#050619 #0F1147 #1A1D79 #2529AB #393ED4

Accessibility & contrast

On white

14.04

#1A1D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1A1D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1D79

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1D79	#FFFFFF	#000000	##FFFFFF
##1A1D79	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307C

Deuteranopia (green-blind)

#002777

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1a1d79;
/* rgb */ color: rgb(26, 29, 121);
/* oklch */ color: oklch(30.5% 0.151 271.7);

Tailwind

colors: {
  custom: {
    50: '#685aa1',
    500: '#1a1d79',
    950: '#000000',
  },
}

SCSS

$custom: #1a1d79;
$custom-light: #685aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1d79",
  "rgb": {
    "r": 26,
    "g": 29,
    "b": 121
  },
  "hsl": {
    "h": 238.105,
    "s": 64.626,
    "l": 28.824
  },
  "oklch": {
    "l": 0.30527,
    "c": 0.15098,
    "h": 271.7
  },
  "luminance": 0.02479
}

Semantic roles & 50–950 ramp

primary

#1A1D79

secondary

#ADAA41

accent

#E240E8

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1A1D79

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

Preview Lab → · Contrast checker → · Palette generator →