#1F205C#1F205C

#1F205C is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.4% C 0.105 H 276.7°. Best body text is #FFFFFF at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F205C
RGB	rgb(31, 32, 92)
HSL	hsl(239, 50%, 24%)
HSV	hsv(239, 66%, 36%)
CMYK	cmyk(66.3%, 65.2%, 0%, 63.9%)
CIE-LAB	lab(15.99, 20.36, -36.18)
CIE-LCH	lch(15.99, 41.52, 299.37°)
OKLab	oklab(28.4% 0.0122 -0.1041)
OKLCH	oklch(28.4% 0.105 276.7)
XYZ	xyz(3.0127, 2.0968, 10.3691)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F205C #5C5B1F

analogous

#1F3F5C #1F205C #3D1F5C

triadic

#1F205C #5C1F20 #205C1F

tetradic

#1F205C #5C1F3F #5C5B1F #1F5C3D

square

#1F205C #5C1F3F #5C5B1F #1F5C3D

split-complementary

#1F205C #5C3D1F #3F5C1F

monochromatic

#080817 #10102E #1F205C #2E308A #3E40B8

Accessibility & contrast

On white

14.79

#1F205C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1F205C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F205C

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F205C	#FFFFFF	#000000	##FFFFFF
##1F205C	1.00	14.79	1.42	14.79
#FFFFFF	14.79	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5E

Deuteranopia (green-blind)

#00255B

Tritanopia (blue-blind)

#002F3A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f205c;
/* rgb */ color: rgb(31, 32, 92);
/* oklch */ color: oklch(28.4% 0.105 276.7);

Tailwind

colors: {
  custom: {
    50: '#635b8b',
    500: '#1f205c',
    950: '#000000',
  },
}

SCSS

$custom: #1f205c;
$custom-light: #635b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f205c",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 92
  },
  "hsl": {
    "h": 239.016,
    "s": 49.593,
    "l": 24.118
  },
  "oklch": {
    "l": 0.28401,
    "c": 0.10481,
    "h": 276.7
  },
  "luminance": 0.02097
}

Semantic roles & 50–950 ramp

primary

#1F205C

secondary

#918F46

accent

#D74FD9

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1F205C

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

Preview Lab → · Contrast checker → · Palette generator →