#1F2D8D#1F2D8D

#1F2D8D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.7% C 0.158 H 269.6°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D8D
RGB	rgb(31, 45, 141)
HSL	hsl(232, 64%, 34%)
HSV	hsv(232, 78%, 55%)
CMYK	cmyk(78%, 68.1%, 0%, 44.7%)
CIE-LAB	lab(23.97, 30.17, -54.61)
CIE-LCH	lch(23.97, 62.39, 298.92°)
OKLab	oklab(35.67% -0.0011 -0.158)
OKLCH	oklch(35.67% 0.158 269.6)
XYZ	xyz(6.3095, 4.0905, 25.6511)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D8D #8D7F1F

analogous

#1F648D #1F2D8D #481F8D

triadic

#1F2D8D #8D1F2D #2D8D1F

tetradic

#1F2D8D #8D1F64 #8D7F1F #1F8D48

square

#1F2D8D #8D1F64 #8D7F1F #1F8D48

split-complementary

#1F2D8D #8D481F #648D1F

monochromatic

#090D29 #141D5B #1F2D8D #2A3DBF #4E60D8

Accessibility & contrast

On white

11.55

#1F2D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F2D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D8D

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D8D	#FFFFFF	#000000	##FFFFFF
##1F2D8D	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00348B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f2d8d;
/* rgb */ color: rgb(31, 45, 141);
/* oklch */ color: oklch(35.7% 0.158 269.6);

Tailwind

colors: {
  custom: {
    50: '#6e66af',
    500: '#1f2d8d',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d8d;
$custom-light: #6e66af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d8d",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 141
  },
  "hsl": {
    "h": 232.364,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35665,
    "c": 0.15803,
    "h": 269.6
  },
  "luminance": 0.04091
}

Semantic roles & 50–950 ramp

primary

#1F2D8D

secondary

#BBAD4D

accent

#D241E7

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1F2D8D

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

Preview Lab → · Contrast checker → · Palette generator →