#1F205B#1F205B

#1F205B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.3% C 0.103 H 276.8°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F205B
RGB	rgb(31, 32, 91)
HSL	hsl(239, 49%, 24%)
HSV	hsv(239, 66%, 36%)
CMYK	cmyk(65.9%, 64.8%, 0%, 64.3%)
CIE-LAB	lab(15.90, 19.98, -35.66)
CIE-LCH	lch(15.90, 40.87, 299.26°)
OKLab	oklab(28.31% 0.0122 -0.1026)
OKLCH	oklch(28.31% 0.103 276.8)
XYZ	xyz(2.9693, 2.0794, 10.1404)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F205B #5B5A1F

analogous

#1F3E5B #1F205B #3C1F5B

triadic

#1F205B #5B1F20 #205B1F

tetradic

#1F205B #5B1F3E #5B5A1F #1F5B3C

square

#1F205B #5B1F3E #5B5A1F #1F5B3C

split-complementary

#1F205B #5B3C1F #3E5B1F

monochromatic

#080817 #0F102D #1F205B #2F3089 #3E40B6

Accessibility & contrast

On white

14.83

#1F205B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1F205B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F205B

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F205B	#FFFFFF	#000000	##FFFFFF
##1F205B	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#00255A

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f205b;
/* rgb */ color: rgb(31, 32, 91);
/* oklch */ color: oklch(28.3% 0.103 276.8);

Tailwind

colors: {
  custom: {
    50: '#625b8a',
    500: '#1f205b',
    950: '#000000',
  },
}

SCSS

$custom: #1f205b;
$custom-light: #625b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f205b",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 91
  },
  "hsl": {
    "h": 239,
    "s": 49.18,
    "l": 23.922
  },
  "oklch": {
    "l": 0.28308,
    "c": 0.10329,
    "h": 276.8
  },
  "luminance": 0.0208
}

Semantic roles & 50–950 ramp

primary

#1F205B

secondary

#908E46

accent

#D64FD9

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1F205B

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

Preview Lab → · Contrast checker → · Palette generator →