#1F2793#1F2793

#1F2793 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.3% C 0.173 H 270.5°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#1F2793
RGB	rgb(31, 39, 147)
HSL	hsl(236, 65%, 35%)
HSV	hsv(236, 79%, 58%)
CMYK	cmyk(78.9%, 73.5%, 0%, 42.4%)
CIE-LAB	lab(23.16, 36.24, -59.65)
CIE-LCH	lch(23.16, 69.80, 301.28°)
OKLab	oklab(35.27% 0.0014 -0.1727)
OKLCH	oklch(35.27% 0.173 270.5)
XYZ	xyz(6.5553, 3.8482, 27.9954)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2793 #938B1F

analogous

#1F6193 #1F2793 #511F93

triadic

#1F2793 #931F27 #27931F

tetradic

#1F2793 #931F61 #938B1F #1F9351

square

#1F2793 #931F61 #938B1F #1F9351

split-complementary

#1F2793 #93511F #61931F

monochromatic

#0A0C2E #141A60 #1F2793 #2A34C6 #525BDA

Accessibility & contrast

On white

11.87

#1F2793 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1F2793 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2793

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2793	#FFFFFF	#000000	##FFFFFF
##1F2793	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D96

Deuteranopia (green-blind)

#003291

Tritanopia (blue-blind)

#00465A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2793;
/* rgb */ color: rgb(31, 39, 147);
/* oklch */ color: oklch(35.3% 0.173 270.5);

Tailwind

colors: {
  custom: {
    50: '#7062b4',
    500: '#1f2793',
    950: '#000000',
  },
}

SCSS

$custom: #1f2793;
$custom-light: #7062b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2793",
  "rgb": {
    "r": 31,
    "g": 39,
    "b": 147
  },
  "hsl": {
    "h": 235.862,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35267,
    "c": 0.17275,
    "h": 270.5
  },
  "luminance": 0.03849
}

Semantic roles & 50–950 ramp

primary

#1F2793

secondary

#BEB650

accent

#DD40E8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2793

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

Preview Lab → · Contrast checker → · Palette generator →