#1F205A#1F205A

#1F205A is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.2% C 0.102 H 276.9°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#1F205A
RGB	rgb(31, 32, 90)
HSL	hsl(239, 49%, 24%)
HSV	hsv(239, 66%, 35%)
CMYK	cmyk(65.6%, 64.4%, 0%, 64.7%)
CIE-LAB	lab(15.81, 19.60, -35.13)
CIE-LCH	lch(15.81, 40.23, 299.15°)
OKLab	oklab(28.22% 0.0123 -0.101)
OKLCH	oklch(28.22% 0.102 276.9)
XYZ	xyz(2.9265, 2.0623, 9.9147)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F205A #5A591F

analogous

#1F3D5A #1F205A #3B1F5A

triadic

#1F205A #5A1F20 #205A1F

tetradic

#1F205A #5A1F3D #5A591F #1F5A3B

square

#1F205A #5A1F3D #5A591F #1F5A3B

split-complementary

#1F205A #5A3B1F #3D5A1F

monochromatic

#080817 #0F102C #1F205A #2F3088 #3E40B5

Accessibility & contrast

On white

14.87

#1F205A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1F205A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F205A

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F205A	#FFFFFF	#000000	##FFFFFF
##1F205A	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5C

Deuteranopia (green-blind)

#002559

Tritanopia (blue-blind)

#002E39

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f205a;
/* rgb */ color: rgb(31, 32, 90);
/* oklch */ color: oklch(28.2% 0.102 276.9);

Tailwind

colors: {
  custom: {
    50: '#625b89',
    500: '#1f205a',
    950: '#000000',
  },
}

SCSS

$custom: #1f205a;
$custom-light: #625b89;
$custom-dark: #000000;

JSON

{
  "hex": "#1f205a",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 90
  },
  "hsl": {
    "h": 238.983,
    "s": 48.76,
    "l": 23.725
  },
  "oklch": {
    "l": 0.28215,
    "c": 0.10176,
    "h": 276.9
  },
  "luminance": 0.02063
}

Semantic roles & 50–950 ramp

primary

#1F205A

secondary

#8F8D46

accent

#D64FD8

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040B

muted

#7A797C

Preview Lab

Preview with #1F205A

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

Preview Lab → · Contrast checker → · Palette generator →