#1A0F5B#1A0F5B

#1A0F5B is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.126 H 278.7°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#1A0F5B
RGB	rgb(26, 15, 91)
HSL	hsl(249, 72%, 21%)
HSV	hsv(249, 84%, 36%)
CMYK	cmyk(71.4%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(11.39, 30.33, -43.07)
CIE-LCH	lch(11.39, 52.68, 305.16°)
OKLab	oklab(24.95% 0.019 -0.1244)
OKLCH	oklch(24.95% 0.126 278.7)
XYZ	xyz(2.4845, 1.3164, 10.0187)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A0F5B #505B0F

analogous

#0F2A5B #1A0F5B #400F5B

triadic

#1A0F5B #5B1A0F #0F5B1A

tetradic

#1A0F5B #5B0F2A #505B0F #0F5B40

square

#1A0F5B #5B0F2A #505B0F #0F5B40

split-complementary

#1A0F5B #5B400F #2A5B0F

monochromatic

#08041A #0B0626 #1A0F5B #291890 #3820C4

Accessibility & contrast

On white

16.62

#1A0F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#1A0F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A0F5B

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A0F5B	#FFFFFF	#000000	##FFFFFF
##1A0F5B	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215D

Deuteranopia (green-blind)

#001B5A

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1a0f5b;
/* rgb */ color: rgb(26, 15, 91);
/* oklch */ color: oklch(25.0% 0.126 278.7);

Tailwind

colors: {
  custom: {
    50: '#624f8a',
    500: '#1a0f5b',
    950: '#000000',
  },
}

SCSS

$custom: #1a0f5b;
$custom-light: #624f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a0f5b",
  "rgb": {
    "r": 26,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 248.684,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24954,
    "c": 0.12583,
    "h": 278.7
  },
  "luminance": 0.01317
}

Semantic roles & 50–950 ramp

primary

#1A0F5B

secondary

#869531

accent

#EE39D4

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1A0F5B

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

Preview Lab → · Contrast checker → · Palette generator →