#1B2CA0#1B2CA0

#1B2CA0 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.185 H 268.1°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B2CA0
RGB	rgb(27, 44, 160)
HSL	hsl(232, 71%, 37%)
HSV	hsv(232, 83%, 63%)
CMYK	cmyk(83.1%, 72.5%, 0%, 37.3%)
CIE-LAB	lab(25.48, 37.53, -63.81)
CIE-LCH	lch(25.48, 74.03, 300.46°)
OKLab	oklab(37.29% -0.0062 -0.1849)
OKLCH	oklch(37.29% 0.185 268.1)
XYZ	xyz(7.6956, 4.5715, 33.7277)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2CA0 #A08F1B

analogous

#1B6FA0 #1B2CA0 #4D1BA0

triadic

#1B2CA0 #A01B2C #2CA01B

tetradic

#1B2CA0 #A01B6F #A08F1B #1BA04D

square

#1B2CA0 #A01B6F #A08F1B #1BA04D

split-complementary

#1B2CA0 #A04D1B #6FA01B

monochromatic

#090F37 #121E6C #1B2CA0 #243AD4 #5366E2

Accessibility & contrast

On white

10.97

#1B2CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1B2CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2CA0

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2CA0	#FFFFFF	#000000	##FFFFFF
##1B2CA0	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A3

Deuteranopia (green-blind)

#00369E

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1b2ca0;
/* rgb */ color: rgb(27, 44, 160);
/* oklch */ color: oklch(37.3% 0.185 268.1);

Tailwind

colors: {
  custom: {
    50: '#7266bd',
    500: '#1b2ca0',
    950: '#000000',
  },
}

SCSS

$custom: #1b2ca0;
$custom-light: #7266bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2ca0",
  "rgb": {
    "r": 27,
    "g": 44,
    "b": 160
  },
  "hsl": {
    "h": 232.331,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37289,
    "c": 0.18503,
    "h": 268.1
  },
  "luminance": 0.04572
}

Semantic roles & 50–950 ramp

primary

#1B2CA0

secondary

#C5B652

accent

#D73AEE

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1B2CA0

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

Preview Lab → · Contrast checker → · Palette generator →