#1F2697#1F2697

#1F2697 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.5% C 0.179 H 270.4°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F2697
RGB	rgb(31, 38, 151)
HSL	hsl(237, 66%, 36%)
HSV	hsv(237, 79%, 59%)
CMYK	cmyk(79.5%, 74.8%, 0%, 40.8%)
CIE-LAB	lab(23.38, 38.28, -61.77)
CIE-LCH	lch(23.38, 72.67, 301.78°)
OKLab	oklab(35.55% 0.0013 -0.1789)
OKLCH	oklch(35.55% 0.179 270.4)
XYZ	xyz(6.8422, 3.9111, 29.6665)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2697 #97901F

analogous

#1F6297 #1F2697 #541F97

triadic

#1F2697 #971F26 #26971F

tetradic

#1F2697 #971F62 #97901F #1F9754

square

#1F2697 #971F62 #97901F #1F9754

split-complementary

#1F2697 #97541F #62971F

monochromatic

#0A0C31 #151964 #1F2697 #2933CA #545CDC

Accessibility & contrast

On white

11.78

#1F2697 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1F2697 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2697

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2697	#FFFFFF	#000000	##FFFFFF
##1F2697	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9A

Deuteranopia (green-blind)

#003295

Tritanopia (blue-blind)

#00475C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2697;
/* rgb */ color: rgb(31, 38, 151);
/* oklch */ color: oklch(35.5% 0.179 270.4);

Tailwind

colors: {
  custom: {
    50: '#7161b7',
    500: '#1f2697',
    950: '#000000',
  },
}

SCSS

$custom: #1f2697;
$custom-light: #7161b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2697",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 151
  },
  "hsl": {
    "h": 236.5,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35547,
    "c": 0.17889,
    "h": 270.4
  },
  "luminance": 0.03912
}

Semantic roles & 50–950 ramp

primary

#1F2697

secondary

#BFB952

accent

#DF3FE9

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2697

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

Preview Lab → · Contrast checker → · Palette generator →