#1F2F94#1F2F94

#1F2F94 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.165 H 269.1°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#1F2F94
RGB	rgb(31, 47, 148)
HSL	hsl(232, 65%, 35%)
HSV	hsv(232, 79%, 58%)
CMYK	cmyk(79.1%, 68.2%, 0%, 42%)
CIE-LAB	lab(25.14, 31.49, -57.01)
CIE-LCH	lch(25.14, 65.13, 298.92°)
OKLab	oklab(36.73% -0.0027 -0.165)
OKLCH	oklch(36.73% 0.165 269.1)
XYZ	xyz(6.9250, 4.4617, 28.5074)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2F94 #94841F

analogous

#1F6994 #1F2F94 #4A1F94

triadic

#1F2F94 #941F2F #2F941F

tetradic

#1F2F94 #941F69 #94841F #1F944A

square

#1F2F94 #941F69 #94841F #1F944A

split-complementary

#1F2F94 #944A1F #69941F

monochromatic

#0A0F2F #141F61 #1F2F94 #2A3FC7 #5365DB

Accessibility & contrast

On white

11.10

#1F2F94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1F2F94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2F94

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2F94	#FFFFFF	#000000	##FFFFFF
##1F2F94	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004197

Deuteranopia (green-blind)

#003692

Tritanopia (blue-blind)

#004A5D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1f2f94;
/* rgb */ color: rgb(31, 47, 148);
/* oklch */ color: oklch(36.7% 0.165 269.1);

Tailwind

colors: {
  custom: {
    50: '#6f67b4',
    500: '#1f2f94',
    950: '#000000',
  },
}

SCSS

$custom: #1f2f94;
$custom-light: #6f67b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2f94",
  "rgb": {
    "r": 31,
    "g": 47,
    "b": 148
  },
  "hsl": {
    "h": 231.795,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36728,
    "c": 0.16505,
    "h": 269.1
  },
  "luminance": 0.04462
}

Semantic roles & 50–950 ramp

primary

#1F2F94

secondary

#BEAF51

accent

#D13FE8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1F2F94

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

Preview Lab → · Contrast checker → · Palette generator →