#1F1968#1F1968

#1F1968 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.131 H 277.3°. Best body text is #FFFFFF at 15.03:1 contrast (WCAG AA passes).

Color values

HEX	#1F1968
RGB	rgb(31, 25, 104)
HSL	hsl(245, 61%, 25%)
HSV	hsv(245, 76%, 41%)
CMYK	cmyk(70.2%, 76%, 0%, 59.2%)
CIE-LAB	lab(15.41, 29.52, -45.07)
CIE-LCH	lch(15.41, 53.88, 303.22°)
OKLab	oklab(28.35% 0.0167 -0.1302)
OKLCH	oklch(28.35% 0.131 277.3)
XYZ	xyz(3.4106, 1.9858, 13.2976)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1968 #626819

analogous

#193A68 #1F1968 #461968

triadic

#1F1968 #681F19 #19681F

tetradic

#1F1968 #68193A #626819 #196846

square

#1F1968 #68193A #626819 #196846

split-complementary

#1F1968 #684619 #3A6819

monochromatic

#070619 #100D37 #1F1968 #2E2599 #3C31CB

Accessibility & contrast

On white

15.03

#1F1968 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1F1968 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1968

15.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1968	#FFFFFF	#000000	##FFFFFF
##1F1968	1.00	15.03	1.40	15.03
#FFFFFF	15.03	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6A

Deuteranopia (green-blind)

#002367

Tritanopia (blue-blind)

#002F3E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f1968;
/* rgb */ color: rgb(31, 25, 104);
/* oklch */ color: oklch(28.3% 0.131 277.3);

Tailwind

colors: {
  custom: {
    50: '#665794',
    500: '#1f1968',
    950: '#000000',
  },
}

SCSS

$custom: #1f1968;
$custom-light: #665794;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1968",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 104
  },
  "hsl": {
    "h": 244.557,
    "s": 61.24,
    "l": 25.294
  },
  "oklch": {
    "l": 0.28345,
    "c": 0.13123,
    "h": 277.3
  },
  "luminance": 0.01986
}

Semantic roles & 50–950 ramp

primary

#1F1968

secondary

#979E3F

accent

#E443D8

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #1F1968

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

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