#1F1850#1F1850

#1F1850 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.7% C 0.098 H 282.7°. Best body text is #FFFFFF at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F1850
RGB	rgb(31, 24, 80)
HSL	hsl(248, 54%, 20%)
HSV	hsv(248, 70%, 31%)
CMYK	cmyk(61.2%, 70%, 0%, 68.6%)
CIE-LAB	lab(12.76, 21.48, -33.33)
CIE-LCH	lch(12.76, 39.66, 302.80°)
OKLab	oklab(25.7% 0.0216 -0.0958)
OKLCH	oklch(25.7% 0.098 282.7)
XYZ	xyz(2.3392, 1.5236, 7.7587)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1850 #495018

analogous

#182D50 #1F1850 #3B1850

triadic

#1F1850 #501F18 #18501F

tetradic

#1F1850 #50182D #495018 #18503B

square

#1F1850 #50182D #495018 #18503B

split-complementary

#1F1850 #503B18 #2D5018

monochromatic

#090718 #0D0A21 #1F1850 #31267F #4334AE

Accessibility & contrast

On white

16.09

#1F1850 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#1F1850 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1850

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1850	#FFFFFF	#000000	##FFFFFF
##1F1850	1.00	16.09	1.30	16.09
#FFFFFF	16.09	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002352

Deuteranopia (green-blind)

#001F4F

Tritanopia (blue-blind)

#072631

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1f1850;
/* rgb */ color: rgb(31, 24, 80);
/* oklch */ color: oklch(25.7% 0.098 282.7);

Tailwind

colors: {
  custom: {
    50: '#615582',
    500: '#1f1850',
    950: '#000000',
  },
}

SCSS

$custom: #1f1850;
$custom-light: #615582;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1850",
  "rgb": {
    "r": 31,
    "g": 24,
    "b": 80
  },
  "hsl": {
    "h": 247.5,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25695,
    "c": 0.09818,
    "h": 282.7
  },
  "luminance": 0.01524
}

Semantic roles & 50–950 ramp

primary

#1F1850

secondary

#7E873D

accent

#DD4BCB

background

#F5F4F8

surface

#EAE8EF

border

#C6C4CA

text

#05030A

muted

#79787C

Preview Lab

Preview with #1F1850

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

Preview Lab → · Contrast checker → · Palette generator →