#1B206D#1B206D

#1B206D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.8% C 0.131 H 272.5°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#1B206D
RGB	rgb(27, 32, 109)
HSL	hsl(236, 60%, 27%)
HSV	hsv(236, 75%, 43%)
CMYK	cmyk(75.2%, 70.6%, 0%, 57.3%)
CIE-LAB	lab(17.32, 26.26, -45.21)
CIE-LCH	lch(17.32, 52.29, 300.15°)
OKLab	oklab(29.8% 0.0057 -0.1307)
OKLCH	oklch(29.8% 0.131 272.5)
XYZ	xyz(3.7279, 2.3698, 14.7260)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B206D #6D681B

analogous

#1B496D #1B206D #3F1B6D

triadic

#1B206D #6D1B20 #206D1B

tetradic

#1B206D #6D1B49 #6D681B #1B6D3F

square

#1B206D #6D1B49 #6D681B #1B6D3F

split-complementary

#1B206D #6D3F1B #496D1B

monochromatic

#060719 #0F123C #1B206D #272E9E #353FCD

Accessibility & contrast

On white

14.25

#1B206D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1B206D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B206D

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B206D	#FFFFFF	#000000	##FFFFFF
##1B206D	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6F

Deuteranopia (green-blind)

#00276C

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1b206d;
/* rgb */ color: rgb(27, 32, 109);
/* oklch */ color: oklch(29.8% 0.131 272.5);

Tailwind

colors: {
  custom: {
    50: '#655b98',
    500: '#1b206d',
    950: '#000000',
  },
}

SCSS

$custom: #1b206d;
$custom-light: #655b98;
$custom-dark: #000000;

JSON

{
  "hex": "#1b206d",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 109
  },
  "hsl": {
    "h": 236.341,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29799,
    "c": 0.13082,
    "h": 272.5
  },
  "luminance": 0.0237
}

Semantic roles & 50–950 ramp

primary

#1B206D

secondary

#A29C42

accent

#DA44E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B206D

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

Preview Lab → · Contrast checker → · Palette generator →