#1F1869#1F1869

#1F1869 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.134 H 277.4°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F1869
RGB	rgb(31, 24, 105)
HSL	hsl(245, 63%, 25%)
HSV	hsv(245, 77%, 41%)
CMYK	cmyk(70.5%, 77.1%, 0%, 58.8%)
CIE-LAB	lab(15.30, 30.50, -45.91)
CIE-LCH	lch(15.30, 55.12, 303.59°)
OKLab	oklab(28.3% 0.0172 -0.1326)
OKLCH	oklch(28.3% 0.134 277.4)
XYZ	xyz(3.4407, 1.9642, 13.5597)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1869 #626918

analogous

#183969 #1F1869 #471869

triadic

#1F1869 #691F18 #18691F

tetradic

#1F1869 #691839 #626918 #186947

square

#1F1869 #691839 #626918 #186947

split-complementary

#1F1869 #694718 #396918

monochromatic

#070619 #100D37 #1F1869 #2E239B #3C2FCD

Accessibility & contrast

On white

15.08

#1F1869 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1F1869 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1869

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1869	#FFFFFF	#000000	##FFFFFF
##1F1869	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6B

Deuteranopia (green-blind)

#002368

Tritanopia (blue-blind)

#002F3F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f1869;
/* rgb */ color: rgb(31, 24, 105);
/* oklch */ color: oklch(28.3% 0.134 277.4);

Tailwind

colors: {
  custom: {
    50: '#665695',
    500: '#1f1869',
    950: '#000000',
  },
}

SCSS

$custom: #1f1869;
$custom-light: #665695;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1869",
  "rgb": {
    "r": 31,
    "g": 24,
    "b": 105
  },
  "hsl": {
    "h": 245.185,
    "s": 62.791,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28297,
    "c": 0.13373,
    "h": 277.4
  },
  "luminance": 0.01964
}

Semantic roles & 50–950 ramp

primary

#1F1869

secondary

#979F3E

accent

#E642D8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #1F1869

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

Preview Lab → · Contrast checker → · Palette generator →