#1F2B65#1F2B65

#1F2B65 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.5% C 0.103 H 270.6°. Best body text is #FFFFFF at 13.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F2B65
RGB	rgb(31, 43, 101)
HSL	hsl(230, 53%, 26%)
HSV	hsv(230, 69%, 40%)
CMYK	cmyk(69.3%, 57.4%, 0%, 60.4%)
CIE-LAB	lab(19.88, 15.99, -35.82)
CIE-LCH	lch(19.88, 39.22, 294.05°)
OKLab	oklab(31.53% 0.0011 -0.1029)
OKLCH	oklch(31.53% 0.103 270.6)
XYZ	xyz(3.7771, 2.9583, 12.6814)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2B65 #65591F

analogous

#1F4E65 #1F2B65 #361F65

triadic

#1F2B65 #651F2B #2B651F

tetradic

#1F2B65 #651F4E #65591F #1F6536

square

#1F2B65 #651F4E #65591F #1F6536

split-complementary

#1F2B65 #65361F #4E651F

monochromatic

#070A17 #111736 #1F2B65 #2D3F94 #3C53C3

Accessibility & contrast

On white

13.19

#1F2B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1F2B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2B65

13.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2B65	#FFFFFF	#000000	##FFFFFF
##1F2B65	1.00	13.19	1.59	13.19
#FFFFFF	13.19	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033367

Deuteranopia (green-blind)

#002D64

Tritanopia (blue-blind)

#003943

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f2b65;
/* rgb */ color: rgb(31, 43, 101);
/* oklch */ color: oklch(31.5% 0.103 270.6);

Tailwind

colors: {
  custom: {
    50: '#646491',
    500: '#1f2b65',
    950: '#000000',
  },
}

SCSS

$custom: #1f2b65;
$custom-light: #646491;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2b65",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 101
  },
  "hsl": {
    "h": 229.714,
    "s": 53.03,
    "l": 25.882
  },
  "oklch": {
    "l": 0.31534,
    "c": 0.10291,
    "h": 270.6
  },
  "luminance": 0.02959
}

Semantic roles & 50–950 ramp

primary

#1F2B65

secondary

#998B46

accent

#C44BDC

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1F2B65

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

Preview Lab → · Contrast checker → · Palette generator →