#1F2985#1F2985

#1F2985 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.1% C 0.152 H 270.8°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#1F2985
RGB	rgb(31, 41, 133)
HSL	hsl(234, 62%, 32%)
HSV	hsv(234, 77%, 52%)
CMYK	cmyk(76.7%, 69.2%, 0%, 47.8%)
CIE-LAB	lab(22.20, 29.81, -52.53)
CIE-LCH	lch(22.20, 60.40, 299.58°)
OKLab	oklab(34.14% 0.002 -0.1519)
OKLCH	oklch(34.14% 0.152 270.8)
XYZ	xyz(5.5902, 3.5700, 22.5802)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2985 #857B1F

analogous

#1F5C85 #1F2985 #481F85

triadic

#1F2985 #851F29 #29851F

tetradic

#1F2985 #851F5C #857B1F #1F8548

square

#1F2985 #851F5C #857B1F #1F8548

split-complementary

#1F2985 #85481F #5C851F

monochromatic

#080A22 #131A53 #1F2985 #2B38B7 #4A57D5

Accessibility & contrast

On white

12.25

#1F2985 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F2985 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2985

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2985	#FFFFFF	#000000	##FFFFFF
##1F2985	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A88

Deuteranopia (green-blind)

#003083

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2985;
/* rgb */ color: rgb(31, 41, 133);
/* oklch */ color: oklch(34.1% 0.152 270.8);

Tailwind

colors: {
  custom: {
    50: '#6c63a9',
    500: '#1f2985',
    950: '#000000',
  },
}

SCSS

$custom: #1f2985;
$custom-light: #6c63a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2985",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 133
  },
  "hsl": {
    "h": 234.118,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34136,
    "c": 0.15196,
    "h": 270.8
  },
  "luminance": 0.03571
}

Semantic roles & 50–950 ramp

primary

#1F2985

secondary

#B7AC49

accent

#D543E5

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F2985

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

Preview Lab → · Contrast checker → · Palette generator →