#1B2D6B#1B2D6B

#1B2D6B is a dark, moderate blue. Relative luminance 0.032; OKLCH L 32.3% C 0.111 H 267.5°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B2D6B
RGB	rgb(27, 45, 107)
HSL	hsl(227, 60%, 26%)
HSV	hsv(227, 75%, 42%)
CMYK	cmyk(74.8%, 57.9%, 0%, 58%)
CIE-LAB	lab(20.72, 16.29, -38.37)
CIE-LCH	lch(20.72, 41.69, 293.00°)
OKLab	oklab(32.26% -0.0047 -0.1105)
OKLCH	oklch(32.26% 0.111 267.5)
XYZ	xyz(4.0433, 3.1709, 14.3060)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2D6B #6B591B

analogous

#1B556B #1B2D6B #311B6B

triadic

#1B2D6B #6B1B2D #2D6B1B

tetradic

#1B2D6B #6B1B55 #6B591B #1B6B31

square

#1B2D6B #6B1B55 #6B591B #1B6B31

split-complementary

#1B2D6B #6B311B #556B1B

monochromatic

#060A18 #0F183A #1B2D6B #27429C #3557CC

Accessibility & contrast

On white

12.85

#1B2D6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1B2D6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2D6B

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2D6B	#FFFFFF	#000000	##FFFFFF
##1B2D6B	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00366D

Deuteranopia (green-blind)

#002E6A

Tritanopia (blue-blind)

#003C47

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1b2d6b;
/* rgb */ color: rgb(27, 45, 107);
/* oklch */ color: oklch(32.3% 0.111 267.5);

Tailwind

colors: {
  custom: {
    50: '#636596',
    500: '#1b2d6b',
    950: '#000000',
  },
}

SCSS

$custom: #1b2d6b;
$custom-light: #636596;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2d6b",
  "rgb": {
    "r": 27,
    "g": 45,
    "b": 107
  },
  "hsl": {
    "h": 226.5,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.32256,
    "c": 0.11059,
    "h": 267.5
  },
  "luminance": 0.03171
}

Semantic roles & 50–950 ramp

primary

#1B2D6B

secondary

#A08B42

accent

#BF45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #1B2D6B

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

Preview Lab → · Contrast checker → · Palette generator →