#1B2697#1B2697

#1B2697 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.4% C 0.180 H 269.1°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#1B2697
RGB	rgb(27, 38, 151)
HSL	hsl(235, 70%, 35%)
HSV	hsv(235, 82%, 59%)
CMYK	cmyk(82.1%, 74.8%, 0%, 40.8%)
CIE-LAB	lab(23.18, 37.97, -62.10)
CIE-LCH	lch(23.18, 72.79, 301.44°)
OKLab	oklab(35.35% -0.0028 -0.1799)
OKLCH	oklch(35.35% 0.18 269.1)
XYZ	xyz(6.7291, 3.8528, 29.6612)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2697 #978C1B

analogous

#1B6497 #1B2697 #4E1B97

triadic

#1B2697 #971B26 #26971B

tetradic

#1B2697 #971B64 #978C1B #1B974E

square

#1B2697 #971B64 #978C1B #1B974E

split-complementary

#1B2697 #974E1B #64971B

monochromatic

#080C2F #121963 #1B2697 #2433CB #4D5ADF

Accessibility & contrast

On white

11.86

#1B2697 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1B2697 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2697

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2697	#FFFFFF	#000000	##FFFFFF
##1B2697	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9A

Deuteranopia (green-blind)

#003195

Tritanopia (blue-blind)

#00475C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1b2697;
/* rgb */ color: rgb(27, 38, 151);
/* oklch */ color: oklch(35.4% 0.180 269.1);

Tailwind

colors: {
  custom: {
    50: '#7061b7',
    500: '#1b2697',
    950: '#000000',
  },
}

SCSS

$custom: #1b2697;
$custom-light: #7061b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2697",
  "rgb": {
    "r": 27,
    "g": 38,
    "b": 151
  },
  "hsl": {
    "h": 234.677,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35353,
    "c": 0.17995,
    "h": 269.1
  },
  "luminance": 0.03854
}

Semantic roles & 50–950 ramp

primary

#1B2697

secondary

#C1B74C

accent

#DD3BEC

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1B2697

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

Preview Lab → · Contrast checker → · Palette generator →