#1A104D#1A104D

#1A104D is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.5% C 0.106 H 282.1°. Best body text is #FFFFFF at 17.14:1 contrast (WCAG AA passes).

Color values

HEX	#1A104D
RGB	rgb(26, 16, 77)
HSL	hsl(250, 66%, 18%)
HSV	hsv(250, 79%, 30%)
CMYK	cmyk(66.2%, 79.2%, 0%, 69.8%)
CIE-LAB	lab(10.00, 24.82, -35.80)
CIE-LCH	lch(10.00, 43.57, 304.73°)
OKLab	oklab(23.49% 0.0221 -0.1032)
OKLCH	oklch(23.49% 0.106 282.1)
XYZ	xyz(1.9504, 1.1259, 7.1343)
Luminance	0.0113 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A104D #434D10

analogous

#10244D #1A104D #38104D

triadic

#1A104D #4D1A10 #104D1A

tetradic

#1A104D #4D1024 #434D10 #104D38

square

#1A104D #4D1024 #434D10 #104D38

split-complementary

#1A104D #4D3810 #244D10

monochromatic

#090519 #09051A #1A104D #2B1B80 #3C25B2

Accessibility & contrast

On white

17.14

#1A104D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1A104D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A104D

17.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A104D	#FFFFFF	#000000	##FFFFFF
##1A104D	1.00	17.14	1.23	17.14
#FFFFFF	17.14	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4F

Deuteranopia (green-blind)

#00194C

Tritanopia (blue-blind)

#00212D

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #1a104d;
/* rgb */ color: rgb(26, 16, 77);
/* oklch */ color: oklch(23.5% 0.106 282.1);

Tailwind

colors: {
  custom: {
    50: '#5e4f7f',
    500: '#1a104d',
    950: '#000000',
  },
}

SCSS

$custom: #1a104d;
$custom-light: #5e4f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1a104d",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 77
  },
  "hsl": {
    "h": 249.836,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23494,
    "c": 0.10553,
    "h": 282.1
  },
  "luminance": 0.01126
}

Semantic roles & 50–950 ramp

primary

#1A104D

secondary

#798732

accent

#E93FCD

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1A104D

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

Preview Lab → · Contrast checker → · Palette generator →