#1B0F60#1B0F60

#1B0F60 is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.6% C 0.132 H 278.3°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F60
RGB	rgb(27, 15, 96)
HSL	hsl(249, 73%, 22%)
HSV	hsv(249, 84%, 38%)
CMYK	cmyk(71.9%, 84.4%, 0%, 62.4%)
CIE-LAB	lab(12.08, 32.14, -45.27)
CIE-LCH	lch(12.08, 55.52, 305.37°)
OKLab	oklab(25.64% 0.0191 -0.1308)
OKLCH	oklch(25.64% 0.132 278.3)
XYZ	xyz(2.7335, 1.4190, 11.1939)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F60 #54600F

analogous

#0F2C60 #1B0F60 #440F60

triadic

#1B0F60 #601B0F #0F601B

tetradic

#1B0F60 #600F2C #54600F #0F6044

square

#1B0F60 #600F2C #54600F #0F6044

split-complementary

#1B0F60 #60440F #2C600F

monochromatic

#07041A #0C072B #1B0F60 #2A1795 #3920CA

Accessibility & contrast

On white

16.36

#1B0F60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1B0F60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F60

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F60	#FFFFFF	#000000	##FFFFFF
##1B0F60	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002362

Deuteranopia (green-blind)

#001C5F

Tritanopia (blue-blind)

#002838

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1b0f60;
/* rgb */ color: rgb(27, 15, 96);
/* oklch */ color: oklch(25.6% 0.132 278.3);

Tailwind

colors: {
  custom: {
    50: '#63508e',
    500: '#1b0f60',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f60;
$custom-light: #63508e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f60",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 96
  },
  "hsl": {
    "h": 248.889,
    "s": 72.973,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25639,
    "c": 0.13216,
    "h": 278.3
  },
  "luminance": 0.01419
}

Semantic roles & 50–950 ramp

primary

#1B0F60

secondary

#8A9932

accent

#F038D4

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1B0F60

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

Preview Lab → · Contrast checker → · Palette generator →