#1B117D#1B117D

#1B117D is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.5% C 0.167 H 273.3°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B117D
RGB	rgb(27, 17, 125)
HSL	hsl(246, 76%, 28%)
HSV	hsv(246, 86%, 49%)
CMYK	cmyk(78.4%, 86.4%, 0%, 51%)
CIE-LAB	lab(16.07, 40.63, -57.58)
CIE-LCH	lch(16.07, 70.47, 305.21°)
OKLab	oklab(29.46% 0.0095 -0.1665)
OKLCH	oklch(29.46% 0.167 273.3)
XYZ	xyz(4.3529, 2.1141, 19.5767)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B117D #737D11

analogous

#113D7D #1B117D #51117D

triadic

#1B117D #7D1B11 #117D1B

tetradic

#1B117D #7D113D #737D11 #117D51

square

#1B117D #7D113D #737D11 #117D51

split-complementary

#1B117D #7D5111 #3D7D11

monochromatic

#06041B #0F0A47 #1B117D #2718B3 #3827E2

Accessibility & contrast

On white

14.76

#1B117D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1B117D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B117D

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B117D	#FFFFFF	#000000	##FFFFFF
##1B117D	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D80

Deuteranopia (green-blind)

#00237B

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1b117d;
/* rgb */ color: rgb(27, 17, 125);
/* oklch */ color: oklch(29.5% 0.167 273.3);

Tailwind

colors: {
  custom: {
    50: '#6b53a4',
    500: '#1b117d',
    950: '#000000',
  },
}

SCSS

$custom: #1b117d;
$custom-light: #6b53a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b117d",
  "rgb": {
    "r": 27,
    "g": 17,
    "b": 125
  },
  "hsl": {
    "h": 245.556,
    "s": 76.056,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29461,
    "c": 0.1668,
    "h": 273.3
  },
  "luminance": 0.02115
}

Semantic roles & 50–950 ramp

primary

#1B117D

secondary

#A8B337

accent

#F335E1

background

#F7F4FA

surface

#EDE7F4

border

#C8C3CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1B117D

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

Preview Lab → · Contrast checker → · Palette generator →