#1B2160#1B2160

#1B2160 is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.7% C 0.111 H 273.0°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B2160
RGB	rgb(27, 33, 96)
HSL	hsl(235, 56%, 24%)
HSV	hsv(235, 72%, 38%)
CMYK	cmyk(71.9%, 65.6%, 0%, 62.4%)
CIE-LAB	lab(16.33, 20.51, -38.30)
CIE-LCH	lch(16.33, 43.44, 298.17°)
OKLab	oklab(28.69% 0.0059 -0.1104)
OKLCH	oklch(28.69% 0.111 273)
XYZ	xyz(3.1065, 2.1650, 11.3182)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2160 #605A1B

analogous

#1B4460 #1B2160 #381B60

triadic

#1B2160 #601B21 #21601B

tetradic

#1B2160 #601B44 #605A1B #1B6038

square

#1B2160 #601B44 #605A1B #1B6038

split-complementary

#1B2160 #60381B #44601B

monochromatic

#070818 #0E1130 #1B2160 #283190 #3642C0

Accessibility & contrast

On white

14.65

#1B2160 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1B2160 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2160

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2160	#FFFFFF	#000000	##FFFFFF
##1B2160	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C62

Deuteranopia (green-blind)

#00255F

Tritanopia (blue-blind)

#00313D

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1b2160;
/* rgb */ color: rgb(27, 33, 96);
/* oklch */ color: oklch(28.7% 0.111 273.0);

Tailwind

colors: {
  custom: {
    50: '#625c8e',
    500: '#1b2160',
    950: '#000000',
  },
}

SCSS

$custom: #1b2160;
$custom-light: #625c8e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2160",
  "rgb": {
    "r": 27,
    "g": 33,
    "b": 96
  },
  "hsl": {
    "h": 234.783,
    "s": 56.098,
    "l": 24.118
  },
  "oklch": {
    "l": 0.28689,
    "c": 0.11058,
    "h": 273
  },
  "luminance": 0.02165
}

Semantic roles & 50–950 ramp

primary

#1B2160

secondary

#968E41

accent

#D248DF

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1B2160

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

Preview Lab → · Contrast checker → · Palette generator →