#1B2E64#1B2E64

#1B2E64 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.9% C 0.098 H 266.3°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E64
RGB	rgb(27, 46, 100)
HSL	hsl(224, 57%, 25%)
HSV	hsv(224, 73%, 39%)
CMYK	cmyk(73%, 54%, 0%, 60.8%)
CIE-LAB	lab(20.47, 12.71, -34.22)
CIE-LCH	lch(20.47, 36.50, 290.37°)
OKLab	oklab(31.89% -0.0063 -0.0982)
OKLCH	oklch(31.89% 0.098 266.3)
XYZ	xyz(3.7284, 3.1067, 12.4573)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E64 #64511B

analogous

#1B5264 #1B2E64 #2D1B64

triadic

#1B2E64 #641B2E #2E641B

tetradic

#1B2E64 #641B52 #64511B #1B642D

square

#1B2E64 #641B52 #64511B #1B642D

split-complementary

#1B2E64 #642D1B #52641B

monochromatic

#070B18 #0E1834 #1B2E64 #284494 #355AC4

Accessibility & contrast

On white

12.95

#1B2E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1B2E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E64

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E64	#FFFFFF	#000000	##FFFFFF
##1B2E64	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E3566

Deuteranopia (green-blind)

#002E63

Tritanopia (blue-blind)

#003B44

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2e64;
/* rgb */ color: rgb(27, 46, 100);
/* oklch */ color: oklch(31.9% 0.098 266.3);

Tailwind

colors: {
  custom: {
    50: '#616691',
    500: '#1b2e64',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e64;
$custom-light: #616691;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e64",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 100
  },
  "hsl": {
    "h": 224.384,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.31893,
    "c": 0.09845,
    "h": 266.3
  },
  "luminance": 0.03107
}

Semantic roles & 50–950 ramp

primary

#1B2E64

secondary

#998341

accent

#B947E1

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05050D

muted

#7A7A7D

Preview Lab

Preview with #1B2E64

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

Preview Lab → · Contrast checker → · Palette generator →