#1B2190#1B2190

#1B2190 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.176 H 270.0°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B2190
RGB	rgb(27, 33, 144)
HSL	hsl(237, 68%, 34%)
HSV	hsv(237, 81%, 56%)
CMYK	cmyk(81.3%, 77.1%, 0%, 43.5%)
CIE-LAB	lab(21.33, 38.48, -60.82)
CIE-LCH	lch(21.33, 71.97, 302.32°)
OKLab	oklab(33.81% 0.0001 -0.1762)
OKLCH	oklch(33.81% 0.176 270)
XYZ	xyz(6.0282, 3.3337, 26.7059)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2190 #908A1B

analogous

#1B5B90 #1B2190 #4F1B90

triadic

#1B2190 #901B21 #21901B

tetradic

#1B2190 #901B5B #908A1B #1B904F

square

#1B2190 #901B5B #908A1B #1B904F

split-complementary

#1B2190 #904F1B #5B901B

monochromatic

#080929 #11155C #1B2190 #252DC4 #4950DD

Accessibility & contrast

On white

12.60

#1B2190 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1B2190 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2190

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2190	#FFFFFF	#000000	##FFFFFF
##1B2190	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#002D8E

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1b2190;
/* rgb */ color: rgb(27, 33, 144);
/* oklch */ color: oklch(33.8% 0.176 270.0);

Tailwind

colors: {
  custom: {
    50: '#6e5eb2',
    500: '#1b2190',
    950: '#000000',
  },
}

SCSS

$custom: #1b2190;
$custom-light: #6e5eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2190",
  "rgb": {
    "r": 27,
    "g": 33,
    "b": 144
  },
  "hsl": {
    "h": 236.923,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33808,
    "c": 0.17618,
    "h": 270
  },
  "luminance": 0.03334
}

Semantic roles & 50–950 ramp

primary

#1B2190

secondary

#BFB948

accent

#E23DEB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1B2190

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

Preview Lab → · Contrast checker → · Palette generator →