#1F2792#1F2792

#1F2792 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.171 H 270.5°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#1F2792
RGB	rgb(31, 39, 146)
HSL	hsl(236, 65%, 35%)
HSV	hsv(236, 79%, 57%)
CMYK	cmyk(78.8%, 73.3%, 0%, 42.7%)
CIE-LAB	lab(23.06, 35.88, -59.21)
CIE-LCH	lch(23.06, 69.23, 301.21°)
OKLab	oklab(35.16% 0.0016 -0.1714)
OKLCH	oklch(35.16% 0.171 270.5)
XYZ	xyz(6.4771, 3.8170, 27.5839)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2792 #928A1F

analogous

#1F6192 #1F2792 #511F92

triadic

#1F2792 #921F27 #27921F

tetradic

#1F2792 #921F61 #928A1F #1F9251

square

#1F2792 #921F61 #928A1F #1F9251

split-complementary

#1F2792 #92511F #61921F

monochromatic

#0A0C2D #141A60 #1F2792 #2A34C4 #515BDA

Accessibility & contrast

On white

11.91

#1F2792 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F2792 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2792

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2792	#FFFFFF	#000000	##FFFFFF
##1F2792	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D95

Deuteranopia (green-blind)

#003190

Tritanopia (blue-blind)

#00455A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2792;
/* rgb */ color: rgb(31, 39, 146);
/* oklch */ color: oklch(35.2% 0.171 270.5);

Tailwind

colors: {
  custom: {
    50: '#7062b3',
    500: '#1f2792',
    950: '#000000',
  },
}

SCSS

$custom: #1f2792;
$custom-light: #7062b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2792",
  "rgb": {
    "r": 31,
    "g": 39,
    "b": 146
  },
  "hsl": {
    "h": 235.826,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35159,
    "c": 0.17146,
    "h": 270.5
  },
  "luminance": 0.03818
}

Semantic roles & 50–950 ramp

primary

#1F2792

secondary

#BDB650

accent

#DC40E8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2792

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

Preview Lab → · Contrast checker → · Palette generator →