#1B2E65#1B2E65

#1B2E65 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.0% C 0.100 H 266.4°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E65
RGB	rgb(27, 46, 101)
HSL	hsl(225, 58%, 25%)
HSV	hsv(225, 73%, 40%)
CMYK	cmyk(73.3%, 54.5%, 0%, 60.4%)
CIE-LAB	lab(20.54, 13.12, -34.75)
CIE-LCH	lch(20.54, 37.14, 290.68°)
OKLab	oklab(31.98% -0.0062 -0.0998)
OKLCH	oklch(31.98% 0.1 266.4)
XYZ	xyz(3.7771, 3.1262, 12.7138)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E65 #65521B

analogous

#1B5365 #1B2E65 #2D1B65

triadic

#1B2E65 #651B2E #2E651B

tetradic

#1B2E65 #651B53 #65521B #1B652D

square

#1B2E65 #651B53 #65521B #1B652D

split-complementary

#1B2E65 #652D1B #53651B

monochromatic

#060B18 #0E1835 #1B2E65 #284495 #355AC6

Accessibility & contrast

On white

12.92

#1B2E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1B2E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E65

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E65	#FFFFFF	#000000	##FFFFFF
##1B2E65	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C3567

Deuteranopia (green-blind)

#002E64

Tritanopia (blue-blind)

#003B44

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b2e65;
/* rgb */ color: rgb(27, 46, 101);
/* oklch */ color: oklch(32.0% 0.100 266.4);

Tailwind

colors: {
  custom: {
    50: '#626691',
    500: '#1b2e65',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e65;
$custom-light: #626691;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e65",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 101
  },
  "hsl": {
    "h": 224.595,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.31975,
    "c": 0.1,
    "h": 266.4
  },
  "luminance": 0.03127
}

Semantic roles & 50–950 ramp

primary

#1B2E65

secondary

#9A8441

accent

#B947E1

background

#F6F6F9

surface

#EBEBF1

border

#C6C6CB

text

#06050D

muted

#7A7A7E

Preview Lab

Preview with #1B2E65

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

Preview Lab → · Contrast checker → · Palette generator →