#1B226E#1B226E

#1B226E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.3% C 0.130 H 271.8°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX	#1B226E
RGB	rgb(27, 34, 110)
HSL	hsl(235, 61%, 27%)
HSV	hsv(235, 75%, 43%)
CMYK	cmyk(75.5%, 69.1%, 0%, 56.9%)
CIE-LAB	lab(17.93, 25.28, -44.86)
CIE-LCH	lch(17.93, 51.49, 299.40°)
OKLab	oklab(30.27% 0.0042 -0.1297)
OKLCH	oklch(30.27% 0.13 271.8)
XYZ	xyz(3.8375, 2.5025, 15.0296)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B226E #6E671B

analogous

#1B4C6E #1B226E #3E1B6E

triadic

#1B226E #6E1B22 #226E1B

tetradic

#1B226E #6E1B4C #6E671B #1B6E3E

square

#1B226E #6E1B4C #6E671B #1B6E3E

split-complementary

#1B226E #6E3E1B #4C6E1B

monochromatic

#060819 #0F133D #1B226E #27319F #3643CE

Accessibility & contrast

On white

13.99

#1B226E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1B226E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B226E

13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B226E	#FFFFFF	#000000	##FFFFFF
##1B226E	1.00	13.99	1.50	13.99
#FFFFFF	13.99	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003070

Deuteranopia (green-blind)

#00286D

Tritanopia (blue-blind)

#003644

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1b226e;
/* rgb */ color: rgb(27, 34, 110);
/* oklch */ color: oklch(30.3% 0.130 271.8);

Tailwind

colors: {
  custom: {
    50: '#655d98',
    500: '#1b226e',
    950: '#000000',
  },
}

SCSS

$custom: #1b226e;
$custom-light: #655d98;
$custom-dark: #000000;

JSON

{
  "hex": "#1b226e",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 110
  },
  "hsl": {
    "h": 234.94,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30274,
    "c": 0.12973,
    "h": 271.8
  },
  "luminance": 0.02503
}

Semantic roles & 50–950 ramp

primary

#1B226E

secondary

#A39B42

accent

#D644E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #1B226E

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

Preview Lab → · Contrast checker → · Palette generator →