#1B226F#1B226F

#1B226F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.4% C 0.131 H 271.8°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B226F
RGB	rgb(27, 34, 111)
HSL	hsl(235, 61%, 27%)
HSV	hsv(235, 76%, 44%)
CMYK	cmyk(75.7%, 69.4%, 0%, 56.5%)
CIE-LAB	lab(18.03, 25.67, -45.35)
CIE-LCH	lch(18.03, 52.11, 299.51°)
OKLab	oklab(30.38% 0.0041 -0.1311)
OKLCH	oklch(30.38% 0.131 271.8)
XYZ	xyz(3.8923, 2.5244, 15.3180)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B226F #6F681B

analogous

#1B4C6F #1B226F #3E1B6F

triadic

#1B226F #6F1B22 #226F1B

tetradic

#1B226F #6F1B4C #6F681B #1B6F3E

square

#1B226F #6F1B4C #6F681B #1B6F3E

split-complementary

#1B226F #6F3E1B #4C6F1B

monochromatic

#060819 #0F133E #1B226F #2731A0 #3643CE

Accessibility & contrast

On white

13.95

#1B226F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1B226F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B226F

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B226F	#FFFFFF	#000000	##FFFFFF
##1B226F	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003071

Deuteranopia (green-blind)

#00286E

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1b226f;
/* rgb */ color: rgb(27, 34, 111);
/* oklch */ color: oklch(30.4% 0.131 271.8);

Tailwind

colors: {
  custom: {
    50: '#655d99',
    500: '#1b226f',
    950: '#000000',
  },
}

SCSS

$custom: #1b226f;
$custom-light: #655d99;
$custom-dark: #000000;

JSON

{
  "hex": "#1b226f",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 111
  },
  "hsl": {
    "h": 235,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30376,
    "c": 0.13115,
    "h": 271.8
  },
  "luminance": 0.02525
}

Semantic roles & 50–950 ramp

primary

#1B226F

secondary

#A49C42

accent

#D744E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B226F

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

Preview Lab → · Contrast checker → · Palette generator →