#1F2B68#1F2B68

#1F2B68 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.8% C 0.108 H 270.7°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#1F2B68
RGB	rgb(31, 43, 104)
HSL	hsl(230, 54%, 26%)
HSV	hsv(230, 70%, 41%)
CMYK	cmyk(70.2%, 58.7%, 0%, 59.2%)
CIE-LAB	lab(20.12, 17.18, -37.38)
CIE-LCH	lch(20.12, 41.14, 294.68°)
OKLab	oklab(31.79% 0.0013 -0.1075)
OKLCH	oklch(31.79% 0.108 270.7)
XYZ	xyz(3.9268, 3.0182, 13.4696)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2B68 #685C1F

analogous

#1F5068 #1F2B68 #381F68

triadic

#1F2B68 #681F2B #2B681F

tetradic

#1F2B68 #681F50 #685C1F #1F6838

square

#1F2B68 #681F50 #685C1F #1F6838

split-complementary

#1F2B68 #68381F #50681F

monochromatic

#070A18 #111839 #1F2B68 #2D3E97 #3C53C5

Accessibility & contrast

On white

13.09

#1F2B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1F2B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2B68

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2B68	#FFFFFF	#000000	##FFFFFF
##1F2B68	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346A

Deuteranopia (green-blind)

#002D67

Tritanopia (blue-blind)

#003A45

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2b68;
/* rgb */ color: rgb(31, 43, 104);
/* oklch */ color: oklch(31.8% 0.108 270.7);

Tailwind

colors: {
  custom: {
    50: '#646494',
    500: '#1f2b68',
    950: '#000000',
  },
}

SCSS

$custom: #1f2b68;
$custom-light: #646494;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2b68",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 104
  },
  "hsl": {
    "h": 230.137,
    "s": 54.074,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31791,
    "c": 0.10752,
    "h": 270.7
  },
  "luminance": 0.03019
}

Semantic roles & 50–950 ramp

primary

#1F2B68

secondary

#9C8E46

accent

#C54ADD

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1F2B68

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

Preview Lab → · Contrast checker → · Palette generator →