#1F2E78#1F2E78

#1F2E78 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.8% C 0.127 H 269.6°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E78
RGB	rgb(31, 46, 120)
HSL	hsl(230, 59%, 30%)
HSV	hsv(230, 74%, 47%)
CMYK	cmyk(74.2%, 61.7%, 0%, 52.9%)
CIE-LAB	lab(22.31, 21.37, -44.13)
CIE-LCH	lch(22.31, 49.03, 295.84°)
OKLab	oklab(33.85% -0.001 -0.1273)
OKLCH	oklch(33.85% 0.127 269.6)
XYZ	xyz(4.9311, 3.6009, 18.2008)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E78 #78691F

analogous

#1F5A78 #1F2E78 #3D1F78

triadic

#1F2E78 #781F2E #2E781F

tetradic

#1F2E78 #781F5A #78691F #1F783D

square

#1F2E78 #781F5A #78691F #1F783D

split-complementary

#1F2E78 #783D1F #5A781F

monochromatic

#060918 #121B47 #1F2E78 #2C41A9 #435ACE

Accessibility & contrast

On white

12.21

#1F2E78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1F2E78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E78

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E78	#FFFFFF	#000000	##FFFFFF
##1F2E78	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#003177

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f2e78;
/* rgb */ color: rgb(31, 46, 120);
/* oklch */ color: oklch(33.8% 0.127 269.6);

Tailwind

colors: {
  custom: {
    50: '#6866a0',
    500: '#1f2e78',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e78;
$custom-light: #6866a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e78",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 120
  },
  "hsl": {
    "h": 229.888,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.33846,
    "c": 0.1273,
    "h": 269.6
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary

#1F2E78

secondary

#AB9B47

accent

#C846E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #1F2E78

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

Preview Lab → · Contrast checker → · Palette generator →