#1F2BA1#1F2BA1

#1F2BA1 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.186 H 269.3°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#1F2BA1
RGB	rgb(31, 43, 161)
HSL	hsl(234, 68%, 38%)
HSV	hsv(234, 81%, 63%)
CMYK	cmyk(80.7%, 73.3%, 0%, 36.9%)
CIE-LAB	lab(25.54, 38.79, -64.31)
CIE-LCH	lch(25.54, 75.11, 301.10°)
OKLab	oklab(37.41% -0.0022 -0.1863)
OKLCH	oklch(37.41% 0.186 269.3)
XYZ	xyz(7.8598, 4.5914, 34.1833)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2BA1 #A1951F

analogous

#1F6CA1 #1F2BA1 #541FA1

triadic

#1F2BA1 #A11F2B #2BA11F

tetradic

#1F2BA1 #A11F6C #A1951F #1FA154

square

#1F2BA1 #A11F6C #A1951F #1FA154

split-complementary

#1F2BA1 #A1541F #6CA11F

monochromatic

#0B103A #151D6E #1F2BA1 #2939D4 #5B67DF

Accessibility & contrast

On white

10.95

#1F2BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1F2BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2BA1

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2BA1	#FFFFFF	#000000	##FFFFFF
##1F2BA1	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A4

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1f2ba1;
/* rgb */ color: rgb(31, 43, 161);
/* oklch */ color: oklch(37.4% 0.186 269.3);

Tailwind

colors: {
  custom: {
    50: '#7365be',
    500: '#1f2ba1',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ba1;
$custom-light: #7365be;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ba1",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 161
  },
  "hsl": {
    "h": 234.462,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37412,
    "c": 0.18632,
    "h": 269.3
  },
  "luminance": 0.04592
}

Semantic roles & 50–950 ramp

primary

#1F2BA1

secondary

#C4BA58

accent

#DB3DEB

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #1F2BA1

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

Preview Lab → · Contrast checker → · Palette generator →