#1B2452#1B2452

#1B2452 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.084 H 271.6°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B2452
RGB	rgb(27, 36, 82)
HSL	hsl(230, 50%, 21%)
HSV	hsv(230, 67%, 32%)
CMYK	cmyk(67.1%, 56.1%, 0%, 67.8%)
CIE-LAB	lab(16.02, 12.73, -29.42)
CIE-LCH	lch(16.02, 32.06, 293.40°)
OKLab	oklab(28.09% 0.0024 -0.0843)
OKLCH	oklch(28.09% 0.084 271.6)
XYZ	xyz(2.6054, 2.1037, 8.2498)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2452 #52491B

analogous

#1B4052 #1B2452 #2E1B52

triadic

#1B2452 #521B24 #24521B

tetradic

#1B2452 #521B40 #52491B #1B522E

square

#1B2452 #521B40 #52491B #1B522E

split-complementary

#1B2452 #522E1B #40521B

monochromatic

#080A17 #0C1024 #1B2452 #2A3880 #394CAE

Accessibility & contrast

On white

14.78

#1B2452 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1B2452 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2452

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2452	#FFFFFF	#000000	##FFFFFF
##1B2452	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2A54

Deuteranopia (green-blind)

#002551

Tritanopia (blue-blind)

#002F37

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1b2452;
/* rgb */ color: rgb(27, 36, 82);
/* oklch */ color: oklch(28.1% 0.084 271.6);

Tailwind

colors: {
  custom: {
    50: '#5e5e83',
    500: '#1b2452',
    950: '#000000',
  },
}

SCSS

$custom: #1b2452;
$custom-light: #5e5e83;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2452",
  "rgb": {
    "r": 27,
    "g": 36,
    "b": 82
  },
  "hsl": {
    "h": 230.182,
    "s": 50.459,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28087,
    "c": 0.08431,
    "h": 271.6
  },
  "luminance": 0.02104
}

Semantic roles & 50–950 ramp

primary

#1B2452

secondary

#887C41

accent

#C34EDA

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05040A

muted

#79797C

Preview Lab

Preview with #1B2452

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

Preview Lab → · Contrast checker → · Palette generator →