#1B0E71#1B0E71

#1B0E71 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.6% C 0.154 H 275.2°. Best body text is #FFFFFF at 15.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B0E71
RGB	rgb(27, 14, 113)
HSL	hsl(248, 78%, 25%)
HSV	hsv(248, 88%, 44%)
CMYK	cmyk(76.1%, 87.6%, 0%, 55.7%)
CIE-LAB	lab(14.05, 38.20, -53.21)
CIE-LCH	lch(14.05, 65.50, 305.68°)
OKLab	oklab(27.62% 0.0141 -0.1538)
OKLCH	oklch(27.62% 0.154 275.2)
XYZ	xyz(3.5887, 1.7390, 15.7661)
Luminance	0.0174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0E71 #64710E

analogous

#0E3271 #1B0E71 #4D0E71

triadic

#1B0E71 #711B0E #0E711B

tetradic

#1B0E71 #710E32 #64710E #0E714D

square

#1B0E71 #710E32 #64710E #0E714D

split-complementary

#1B0E71 #714D0E #32710E

monochromatic

#07031B #0E073B #1B0E71 #2815A7 #351BDE

Accessibility & contrast

On white

15.58

#1B0E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1B0E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0E71

15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0E71	#FFFFFF	#000000	##FFFFFF
##1B0E71	1.00	15.58	1.35	15.58
#FFFFFF	15.58	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002874

Deuteranopia (green-blind)

#001F6F

Tritanopia (blue-blind)

#002E41

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b0e71;
/* rgb */ color: rgb(27, 14, 113);
/* oklch */ color: oklch(27.6% 0.154 275.2);

Tailwind

colors: {
  custom: {
    50: '#68519b',
    500: '#1b0e71',
    950: '#000000',
  },
}

SCSS

$custom: #1b0e71;
$custom-light: #68519b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0e71",
  "rgb": {
    "r": 27,
    "g": 14,
    "b": 113
  },
  "hsl": {
    "h": 247.879,
    "s": 77.953,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27624,
    "c": 0.15444,
    "h": 275.2
  },
  "luminance": 0.01739
}

Semantic roles & 50–950 ramp

primary

#1B0E71

secondary

#99A932

accent

#F433DB

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1B0E71

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

Preview Lab → · Contrast checker → · Palette generator →