#1B117E#1B117E

#1B117E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.6% C 0.168 H 273.1°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#1B117E
RGB	rgb(27, 17, 126)
HSL	hsl(246, 76%, 28%)
HSV	hsv(246, 87%, 49%)
CMYK	cmyk(78.6%, 86.5%, 0%, 50.6%)
CIE-LAB	lab(16.20, 40.95, -58.00)
CIE-LCH	lch(16.20, 71.00, 305.22°)
OKLab	oklab(29.59% 0.0092 -0.1677)
OKLCH	oklch(29.59% 0.168 273.1)
XYZ	xyz(4.4171, 2.1398, 19.9148)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B117E #747E11

analogous

#113D7E #1B117E #52117E

triadic

#1B117E #7E1B11 #117E1B

tetradic

#1B117E #7E113D #747E11 #117E52

square

#1B117E #7E113D #747E11 #117E52

split-complementary

#1B117E #7E5211 #3D7E11

monochromatic

#06041B #0F0A48 #1B117E #2718B4 #3927E2

Accessibility & contrast

On white

14.71

#1B117E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1B117E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B117E

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B117E	#FFFFFF	#000000	##FFFFFF
##1B117E	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D81

Deuteranopia (green-blind)

#00237C

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1b117e;
/* rgb */ color: rgb(27, 17, 126);
/* oklch */ color: oklch(29.6% 0.168 273.1);

Tailwind

colors: {
  custom: {
    50: '#6b53a5',
    500: '#1b117e',
    950: '#000000',
  },
}

SCSS

$custom: #1b117e;
$custom-light: #6b53a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b117e",
  "rgb": {
    "r": 27,
    "g": 17,
    "b": 126
  },
  "hsl": {
    "h": 245.505,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29588,
    "c": 0.168,
    "h": 273.1
  },
  "luminance": 0.0214
}

Semantic roles & 50–950 ramp

primary

#1B117E

secondary

#A9B437

accent

#F335E1

background

#F7F4FA

surface

#EDE8F4

border

#C8C4CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1B117E

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

Preview Lab → · Contrast checker → · Palette generator →