#1B2D65#1B2D65

#1B2D65 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.7% C 0.101 H 267.0°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B2D65
RGB	rgb(27, 45, 101)
HSL	hsl(225, 58%, 25%)
HSV	hsv(225, 73%, 40%)
CMYK	cmyk(73.3%, 55.4%, 0%, 60.4%)
CIE-LAB	lab(20.24, 13.84, -35.24)
CIE-LCH	lch(20.24, 37.86, 291.44°)
OKLab	oklab(31.75% -0.0052 -0.1013)
OKLCH	oklch(31.75% 0.101 267)
XYZ	xyz(3.7385, 3.0490, 12.7009)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2D65 #65531B

analogous

#1B5265 #1B2D65 #2E1B65

triadic

#1B2D65 #651B2D #2D651B

tetradic

#1B2D65 #651B52 #65531B #1B652E

square

#1B2D65 #651B52 #65531B #1B652E

split-complementary

#1B2D65 #652E1B #52651B

monochromatic

#060B18 #0E1735 #1B2D65 #284395 #3558C6

Accessibility & contrast

On white

13.05

#1B2D65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1B2D65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2D65

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2D65	#FFFFFF	#000000	##FFFFFF
##1B2D65	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#093467

Deuteranopia (green-blind)

#002E64

Tritanopia (blue-blind)

#003A44

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2d65;
/* rgb */ color: rgb(27, 45, 101);
/* oklch */ color: oklch(31.7% 0.101 267.0);

Tailwind

colors: {
  custom: {
    50: '#626591',
    500: '#1b2d65',
    950: '#000000',
  },
}

SCSS

$custom: #1b2d65;
$custom-light: #626591;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2d65",
  "rgb": {
    "r": 27,
    "g": 45,
    "b": 101
  },
  "hsl": {
    "h": 225.405,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.31745,
    "c": 0.10141,
    "h": 267
  },
  "luminance": 0.03049
}

Semantic roles & 50–950 ramp

primary

#1B2D65

secondary

#9A8541

accent

#BC47E1

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #1B2D65

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

Preview Lab → · Contrast checker → · Palette generator →