#1B2272#1B2272

#1B2272 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.7% C 0.135 H 271.6°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#1B2272
RGB	rgb(27, 34, 114)
HSL	hsl(235, 62%, 28%)
HSV	hsv(235, 76%, 45%)
CMYK	cmyk(76.3%, 70.2%, 0%, 55.3%)
CIE-LAB	lab(18.33, 26.82, -46.80)
CIE-LCH	lch(18.33, 53.94, 299.82°)
OKLab	oklab(30.69% 0.0038 -0.1353)
OKLCH	oklch(30.69% 0.135 271.6)
XYZ	xyz(4.0603, 2.5916, 16.2026)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2272 #726B1B

analogous

#1B4E72 #1B2272 #3F1B72

triadic

#1B2272 #721B22 #22721B

tetradic

#1B2272 #721B4E #726B1B #1B723F

square

#1B2272 #721B4E #726B1B #1B723F

split-complementary

#1B2272 #723F1B #4E721B

monochromatic

#060719 #0F1341 #1B2272 #2731A3 #3844D0

Accessibility & contrast

On white

13.83

#1B2272 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1B2272 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2272

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2272	#FFFFFF	#000000	##FFFFFF
##1B2272	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003174

Deuteranopia (green-blind)

#002971

Tritanopia (blue-blind)

#003747

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b2272;
/* rgb */ color: rgb(27, 34, 114);
/* oklch */ color: oklch(30.7% 0.135 271.6);

Tailwind

colors: {
  custom: {
    50: '#665d9b',
    500: '#1b2272',
    950: '#000000',
  },
}

SCSS

$custom: #1b2272;
$custom-light: #665d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2272",
  "rgb": {
    "r": 27,
    "g": 34,
    "b": 114
  },
  "hsl": {
    "h": 235.172,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30685,
    "c": 0.13538,
    "h": 271.6
  },
  "luminance": 0.02592
}

Semantic roles & 50–950 ramp

primary

#1B2272

secondary

#A79F42

accent

#D843E5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1B2272

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

Preview Lab → · Contrast checker → · Palette generator →