#1B206C#1B206C

#1B206C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.129 H 272.6°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#1B206C
RGB	rgb(27, 32, 108)
HSL	hsl(236, 60%, 26%)
HSV	hsv(236, 75%, 42%)
CMYK	cmyk(75%, 70.4%, 0%, 57.6%)
CIE-LAB	lab(17.22, 25.88, -44.73)
CIE-LCH	lch(17.22, 51.68, 300.05°)
OKLab	oklab(29.7% 0.0058 -0.1293)
OKLCH	oklch(29.7% 0.129 272.6)
XYZ	xyz(3.6744, 2.3484, 14.4441)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B206C #6C671B

analogous

#1B496C #1B206C #3F1B6C

triadic

#1B206C #6C1B20 #206C1B

tetradic

#1B206C #6C1B49 #6C671B #1B6C3F

square

#1B206C #6C1B49 #6C671B #1B6C3F

split-complementary

#1B206C #6C3F1B #496C1B

monochromatic

#060718 #0F113B #1B206C #272F9D #353ECC

Accessibility & contrast

On white

14.29

#1B206C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1B206C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B206C

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B206C	#FFFFFF	#000000	##FFFFFF
##1B206C	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6E

Deuteranopia (green-blind)

#00276B

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b206c;
/* rgb */ color: rgb(27, 32, 108);
/* oklch */ color: oklch(29.7% 0.129 272.6);

Tailwind

colors: {
  custom: {
    50: '#655b97',
    500: '#1b206c',
    950: '#000000',
  },
}

SCSS

$custom: #1b206c;
$custom-light: #655b97;
$custom-dark: #000000;

JSON

{
  "hex": "#1b206c",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 108
  },
  "hsl": {
    "h": 236.296,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29695,
    "c": 0.12941,
    "h": 272.6
  },
  "luminance": 0.02349
}

Semantic roles & 50–950 ramp

primary

#1B206C

secondary

#A19B42

accent

#D945E3

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1B206C

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

Preview Lab → · Contrast checker → · Palette generator →