#1F2D89#1F2D89

#1F2D89 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.153 H 269.7°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D89
RGB	rgb(31, 45, 137)
HSL	hsl(232, 63%, 33%)
HSV	hsv(232, 77%, 54%)
CMYK	cmyk(77.4%, 67.2%, 0%, 46.3%)
CIE-LAB	lab(23.58, 28.66, -52.75)
CIE-LCH	lch(23.58, 60.03, 298.51°)
OKLab	oklab(35.27% -0.0008 -0.1526)
OKLCH	oklch(35.27% 0.153 269.7)
XYZ	xyz(6.0173, 3.9736, 24.1119)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D89 #897B1F

analogous

#1F6289 #1F2D89 #461F89

triadic

#1F2D89 #891F2D #2D891F

tetradic

#1F2D89 #891F62 #897B1F #1F8946

square

#1F2D89 #891F62 #897B1F #1F8946

split-complementary

#1F2D89 #89461F #62891F

monochromatic

#080C25 #141D57 #1F2D89 #2A3DBB #4C5ED6

Accessibility & contrast

On white

11.70

#1F2D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1F2D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D89

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D89	#FFFFFF	#000000	##FFFFFF
##1F2D89	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8C

Deuteranopia (green-blind)

#003387

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2d89;
/* rgb */ color: rgb(31, 45, 137);
/* oklch */ color: oklch(35.3% 0.153 269.7);

Tailwind

colors: {
  custom: {
    50: '#6d66ac',
    500: '#1f2d89',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d89;
$custom-light: #6d66ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d89",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 137
  },
  "hsl": {
    "h": 232.075,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.35267,
    "c": 0.15259,
    "h": 269.7
  },
  "luminance": 0.03974
}

Semantic roles & 50–950 ramp

primary

#1F2D89

secondary

#B9AB4B

accent

#D042E6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1F2D89

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

Preview Lab → · Contrast checker → · Palette generator →