#1F206B#1F206B

#1F206B is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.9% C 0.127 H 275.0°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#1F206B
RGB	rgb(31, 32, 107)
HSL	hsl(239, 55%, 27%)
HSV	hsv(239, 71%, 42%)
CMYK	cmyk(71%, 70.1%, 0%, 58%)
CIE-LAB	lab(17.39, 26.05, -43.78)
CIE-LCH	lch(17.39, 50.94, 300.75°)
OKLab	oklab(29.86% 0.011 -0.1264)
OKLCH	oklch(29.86% 0.127 275)
XYZ	xyz(3.7346, 2.3855, 14.1707)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F206B #6B6A1F

analogous

#1F466B #1F206B #441F6B

triadic

#1F206B #6B1F20 #206B1F

tetradic

#1F206B #6B1F46 #6B6A1F #1F6B44

square

#1F206B #6B1F46 #6B6A1F #1F6B44

split-complementary

#1F206B #6B441F #466B1F

monochromatic

#070718 #11123C #1F206B #2D2E9A #3D3FC7

Accessibility & contrast

On white

14.22

#1F206B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1F206B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F206B

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F206B	#FFFFFF	#000000	##FFFFFF
##1F206B	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6D

Deuteranopia (green-blind)

#00276A

Tritanopia (blue-blind)

#003442

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1f206b;
/* rgb */ color: rgb(31, 32, 107);
/* oklch */ color: oklch(29.9% 0.127 275.0);

Tailwind

colors: {
  custom: {
    50: '#665c96',
    500: '#1f206b',
    950: '#000000',
  },
}

SCSS

$custom: #1f206b;
$custom-light: #665c96;
$custom-dark: #000000;

JSON

{
  "hex": "#1f206b",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 107
  },
  "hsl": {
    "h": 239.211,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.29864,
    "c": 0.12688,
    "h": 275
  },
  "luminance": 0.02386
}

Semantic roles & 50–950 ramp

primary

#1F206B

secondary

#9F9E47

accent

#DC49DE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1F206B

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

Preview Lab → · Contrast checker → · Palette generator →