#1F2C97#1F2C97

#1F2C97 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.5% C 0.172 H 269.5°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C97
RGB	rgb(31, 44, 151)
HSL	hsl(234, 66%, 36%)
HSV	hsv(234, 79%, 59%)
CMYK	cmyk(79.5%, 70.9%, 0%, 40.8%)
CIE-LAB	lab(24.72, 34.55, -59.55)
CIE-LCH	lch(24.72, 68.85, 300.13°)
OKLab	oklab(36.51% -0.0014 -0.1724)
OKLCH	oklch(36.51% 0.172 269.5)
XYZ	xyz(7.0498, 4.3262, 29.7357)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C97 #978A1F

analogous

#1F6897 #1F2C97 #4E1F97

triadic

#1F2C97 #971F2C #2C971F

tetradic

#1F2C97 #971F68 #978A1F #1F974E

square

#1F2C97 #971F68 #978A1F #1F974E

split-complementary

#1F2C97 #974E1F #68971F

monochromatic

#0A0E31 #151D64 #1F2C97 #293BCA #5463DC

Accessibility & contrast

On white

11.26

#1F2C97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1F2C97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C97

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C97	#FFFFFF	#000000	##FFFFFF
##1F2C97	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419A

Deuteranopia (green-blind)

#003595

Tritanopia (blue-blind)

#004A5E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1f2c97;
/* rgb */ color: rgb(31, 44, 151);
/* oklch */ color: oklch(36.5% 0.172 269.5);

Tailwind

colors: {
  custom: {
    50: '#7065b7',
    500: '#1f2c97',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c97;
$custom-light: #7065b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c97",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 151
  },
  "hsl": {
    "h": 233.5,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36514,
    "c": 0.17245,
    "h": 269.5
  },
  "luminance": 0.04327
}

Semantic roles & 50–950 ramp

primary

#1F2C97

secondary

#BFB452

accent

#D63FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1F2C97

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

Preview Lab → · Contrast checker → · Palette generator →