#1F145E#1F145E

#1F145E is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.5% C 0.123 H 280.6°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#1F145E
RGB	rgb(31, 20, 94)
HSL	hsl(249, 65%, 22%)
HSV	hsv(249, 79%, 37%)
CMYK	cmyk(67%, 78.7%, 0%, 63.1%)
CIE-LAB	lab(13.23, 29.08, -42.04)
CIE-LCH	lch(13.23, 51.11, 304.68°)
OKLab	oklab(26.47% 0.0227 -0.1213)
OKLCH	oklch(26.47% 0.123 280.6)
XYZ	xyz(2.8350, 1.5996, 10.7469)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F145E #535E14

analogous

#142E5E #1F145E #44145E

triadic

#1F145E #5E1F14 #145E1F

tetradic

#1F145E #5E142E #535E14 #145E44

square

#1F145E #5E142E #535E14 #145E44

split-complementary

#1F145E #5E4414 #2E5E14

monochromatic

#080519 #0E092C #1F145E #301F90 #4029C3

Accessibility & contrast

On white

15.91

#1F145E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1F145E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F145E

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F145E	#FFFFFF	#000000	##FFFFFF
##1F145E	1.00	15.91	1.32	15.91
#FFFFFF	15.91	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#001F5D

Tritanopia (blue-blind)

#002938

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1f145e;
/* rgb */ color: rgb(31, 20, 94);
/* oklch */ color: oklch(26.5% 0.123 280.6);

Tailwind

colors: {
  custom: {
    50: '#64538c',
    500: '#1f145e',
    950: '#000000',
  },
}

SCSS

$custom: #1f145e;
$custom-light: #64538c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f145e",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 94
  },
  "hsl": {
    "h": 248.919,
    "s": 64.912,
    "l": 22.353
  },
  "oklch": {
    "l": 0.26467,
    "c": 0.12337,
    "h": 280.6
  },
  "luminance": 0.016
}

Semantic roles & 50–950 ramp

primary

#1F145E

secondary

#889638

accent

#E840CF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1F145E

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

Preview Lab → · Contrast checker → · Palette generator →