#1F1970#1F1970

#1F1970 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.2% C 0.142 H 276.1°. Best body text is #FFFFFF at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#1F1970
RGB	rgb(31, 25, 112)
HSL	hsl(244, 64%, 27%)
HSV	hsv(244, 78%, 44%)
CMYK	cmyk(72.3%, 77.7%, 0%, 56.1%)
CIE-LAB	lab(16.29, 32.35, -48.85)
CIE-LCH	lch(16.29, 58.59, 303.51°)
OKLab	oklab(29.23% 0.015 -0.1412)
OKLCH	oklch(29.23% 0.142 276.1)
XYZ	xyz(3.8364, 2.1561, 15.5401)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1970 #6A7019

analogous

#193F70 #1F1970 #4B1970

triadic

#1F1970 #701F19 #19701F

tetradic

#1F1970 #70193F #6A7019 #19704B

square

#1F1970 #70193F #6A7019 #19704B

split-complementary

#1F1970 #704B19 #3F7019

monochromatic

#070619 #110E3E #1F1970 #2D24A2 #3D32D1

Accessibility & contrast

On white

14.67

#1F1970 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1F1970 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1970

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1970	#FFFFFF	#000000	##FFFFFF
##1F1970	1.00	14.67	1.43	14.67
#FFFFFF	14.67	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C73

Deuteranopia (green-blind)

#00246E

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f1970;
/* rgb */ color: rgb(31, 25, 112);
/* oklch */ color: oklch(29.2% 0.142 276.1);

Tailwind

colors: {
  custom: {
    50: '#68579a',
    500: '#1f1970',
    950: '#000000',
  },
}

SCSS

$custom: #1f1970;
$custom-light: #68579a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1970",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 112
  },
  "hsl": {
    "h": 244.138,
    "s": 63.504,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29228,
    "c": 0.142,
    "h": 276.1
  },
  "luminance": 0.02156
}

Semantic roles & 50–950 ramp

primary

#1F1970

secondary

#9EA540

accent

#E741DB

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F1970

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

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