#1F2D90#1F2D90

#1F2D90 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.162 H 269.5°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D90
RGB	rgb(31, 45, 144)
HSL	hsl(233, 65%, 34%)
HSV	hsv(233, 78%, 56%)
CMYK	cmyk(78.5%, 68.7%, 0%, 43.5%)
CIE-LAB	lab(24.26, 31.31, -55.99)
CIE-LCH	lch(24.26, 64.15, 299.21°)
OKLab	oklab(35.97% -0.0013 -0.1621)
OKLCH	oklch(35.97% 0.162 269.5)
XYZ	xyz(6.5358, 4.1810, 26.8427)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D90 #90821F

analogous

#1F6690 #1F2D90 #491F90

triadic

#1F2D90 #901F2D #2D901F

tetradic

#1F2D90 #901F66 #90821F #1F9049

square

#1F2D90 #901F66 #90821F #1F9049

split-complementary

#1F2D90 #90491F #66901F

monochromatic

#090E2B #141D5E #1F2D90 #2A3DC2 #5061D9

Accessibility & contrast

On white

11.44

#1F2D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1F2D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D90

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D90	#FFFFFF	#000000	##FFFFFF
##1F2D90	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F93

Deuteranopia (green-blind)

#00348E

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f2d90;
/* rgb */ color: rgb(31, 45, 144);
/* oklch */ color: oklch(36.0% 0.162 269.5);

Tailwind

colors: {
  custom: {
    50: '#6e66b2',
    500: '#1f2d90',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d90;
$custom-light: #6e66b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d90",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 144
  },
  "hsl": {
    "h": 232.566,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.35967,
    "c": 0.16207,
    "h": 269.5
  },
  "luminance": 0.04182
}

Semantic roles & 50–950 ramp

primary

#1F2D90

secondary

#BCAF4E

accent

#D340E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1F2D90

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

Preview Lab → · Contrast checker → · Palette generator →