#1F2B69#1F2B69

#1F2B69 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.9% C 0.109 H 270.7°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F2B69
RGB	rgb(31, 43, 105)
HSL	hsl(230, 54%, 27%)
HSV	hsv(230, 70%, 41%)
CMYK	cmyk(70.5%, 59%, 0%, 58.8%)
CIE-LAB	lab(20.20, 17.57, -37.90)
CIE-LCH	lch(20.20, 41.78, 294.87°)
OKLab	oklab(31.88% 0.0013 -0.109)
OKLCH	oklch(31.88% 0.109 270.7)
XYZ	xyz(3.9779, 3.0386, 13.7387)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2B69 #695D1F

analogous

#1F5069 #1F2B69 #381F69

triadic

#1F2B69 #691F2B #2B691F

tetradic

#1F2B69 #691F50 #695D1F #1F6938

square

#1F2B69 #691F50 #695D1F #1F6938

split-complementary

#1F2B69 #69381F #50691F

monochromatic

#070A18 #11183A #1F2B69 #2D3E98 #3D53C6

Accessibility & contrast

On white

13.06

#1F2B69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F2B69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2B69

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2B69	#FFFFFF	#000000	##FFFFFF
##1F2B69	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346B

Deuteranopia (green-blind)

#002E68

Tritanopia (blue-blind)

#003A45

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2b69;
/* rgb */ color: rgb(31, 43, 105);
/* oklch */ color: oklch(31.9% 0.109 270.7);

Tailwind

colors: {
  custom: {
    50: '#656494',
    500: '#1f2b69',
    950: '#000000',
  },
}

SCSS

$custom: #1f2b69;
$custom-light: #656494;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2b69",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 105
  },
  "hsl": {
    "h": 230.27,
    "s": 54.412,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31878,
    "c": 0.10905,
    "h": 270.7
  },
  "luminance": 0.03039
}

Semantic roles & 50–950 ramp

primary

#1F2B69

secondary

#9D8F47

accent

#C64ADE

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1F2B69

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

Preview Lab → · Contrast checker → · Palette generator →