#1F1964#1F1964

#1F1964 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.9% C 0.126 H 278.0°. Best body text is #FFFFFF at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#1F1964
RGB	rgb(31, 25, 100)
HSL	hsl(245, 60%, 25%)
HSV	hsv(245, 75%, 39%)
CMYK	cmyk(69%, 75%, 0%, 60.8%)
CIE-LAB	lab(14.99, 28.09, -43.13)
CIE-LCH	lch(14.99, 51.47, 303.07°)
OKLab	oklab(27.91% 0.0175 -0.1245)
OKLCH	oklch(27.91% 0.126 278)
XYZ	xyz(3.2122, 1.9064, 12.2528)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1964 #5E6419

analogous

#193964 #1F1964 #451964

triadic

#1F1964 #641F19 #19641F

tetradic

#1F1964 #641939 #5E6419 #196445

square

#1F1964 #641939 #5E6419 #196445

split-complementary

#1F1964 #644519 #396419

monochromatic

#080618 #100D33 #1F1964 #2E2595 #3D31C6

Accessibility & contrast

On white

15.20

#1F1964 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F1964 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1964

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1964	#FFFFFF	#000000	##FFFFFF
##1F1964	1.00	15.20	1.38	15.20
#FFFFFF	15.20	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002966

Deuteranopia (green-blind)

#002363

Tritanopia (blue-blind)

#002E3C

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f1964;
/* rgb */ color: rgb(31, 25, 100);
/* oklch */ color: oklch(27.9% 0.126 278.0);

Tailwind

colors: {
  custom: {
    50: '#655691',
    500: '#1f1964',
    950: '#000000',
  },
}

SCSS

$custom: #1f1964;
$custom-light: #655691;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1964",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 100
  },
  "hsl": {
    "h": 244.8,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27914,
    "c": 0.12573,
    "h": 278
  },
  "luminance": 0.01907
}

Semantic roles & 50–950 ramp

primary

#1F1964

secondary

#939A3F

accent

#E345D6

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #1F1964

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

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