#1F145A#1F145A

#1F145A is a dark, moderate blue. Relative luminance 0.015; OKLCH L 26.0% C 0.118 H 281.6°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F145A
RGB	rgb(31, 20, 90)
HSL	hsl(249, 64%, 22%)
HSV	hsv(249, 78%, 35%)
CMYK	cmyk(65.6%, 77.8%, 0%, 64.7%)
CIE-LAB	lab(12.79, 27.69, -40.06)
CIE-LCH	lch(12.79, 48.70, 304.65°)
OKLab	oklab(26.03% 0.0237 -0.1155)
OKLCH	oklch(26.03% 0.118 281.6)
XYZ	xyz(2.6601, 1.5296, 9.8259)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F145A #4F5A14

analogous

#142C5A #1F145A #42145A

triadic

#1F145A #5A1F14 #145A1F

tetradic

#1F145A #5A142C #4F5A14 #145A42

square

#1F145A #5A142C #4F5A14 #145A42

split-complementary

#1F145A #5A4214 #2C5A14

monochromatic

#090619 #0E0928 #1F145A #301F8C #412ABE

Accessibility & contrast

On white

16.08

#1F145A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1F145A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F145A

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F145A	#FFFFFF	#000000	##FFFFFF
##1F145A	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00235C

Deuteranopia (green-blind)

#001F59

Tritanopia (blue-blind)

#002735

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1f145a;
/* rgb */ color: rgb(31, 20, 90);
/* oklch */ color: oklch(26.0% 0.118 281.6);

Tailwind

colors: {
  custom: {
    50: '#635389',
    500: '#1f145a',
    950: '#000000',
  },
}

SCSS

$custom: #1f145a;
$custom-light: #635389;
$custom-dark: #000000;

JSON

{
  "hex": "#1f145a",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 90
  },
  "hsl": {
    "h": 249.429,
    "s": 63.636,
    "l": 21.569
  },
  "oklch": {
    "l": 0.26029,
    "c": 0.1179,
    "h": 281.6
  },
  "luminance": 0.0153
}

Semantic roles & 50–950 ramp

primary

#1F145A

secondary

#849238

accent

#E741CD

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1F145A

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

Preview Lab → · Contrast checker → · Palette generator →