#1F146F#1F146F

#1F146F is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.146 H 277.1°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#1F146F
RGB	rgb(31, 20, 111)
HSL	hsl(247, 69%, 26%)
HSV	hsv(247, 82%, 44%)
CMYK	cmyk(72.1%, 82%, 0%, 56.5%)
CIE-LAB	lab(15.16, 34.88, -50.06)
CIE-LCH	lch(15.16, 61.01, 304.87°)
OKLab	oklab(28.41% 0.0181 -0.1446)
OKLCH	oklch(28.41% 0.146 277.1)
XYZ	xyz(3.6835, 1.9390, 15.2160)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F146F #646F14

analogous

#14366F #1F146F #4C146F

triadic

#1F146F #6F1F14 #146F1F

tetradic

#1F146F #6F1436 #646F14 #146F4C

square

#1F146F #6F1436 #646F14 #146F4C

split-complementary

#1F146F #6F4C14 #366F14

monochromatic

#07051A #110B3B #1F146F #2D1DA3 #3C27D7

Accessibility & contrast

On white

15.13

#1F146F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1F146F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F146F

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F146F	#FFFFFF	#000000	##FFFFFF
##1F146F	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A72

Deuteranopia (green-blind)

#00226D

Tritanopia (blue-blind)

#002F41

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f146f;
/* rgb */ color: rgb(31, 20, 111);
/* oklch */ color: oklch(28.4% 0.146 277.1);

Tailwind

colors: {
  custom: {
    50: '#685499',
    500: '#1f146f',
    950: '#000000',
  },
}

SCSS

$custom: #1f146f;
$custom-light: #685499;
$custom-dark: #000000;

JSON

{
  "hex": "#1f146f",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 111
  },
  "hsl": {
    "h": 247.253,
    "s": 69.466,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28405,
    "c": 0.14578,
    "h": 277.1
  },
  "luminance": 0.01939
}

Semantic roles & 50–950 ramp

primary

#1F146F

secondary

#98A639

accent

#EC3CD7

background

#F6F4F9

surface

#ECE8F2

border

#C7C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F146F

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

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