#1F2D8C#1F2D8C

#1F2D8C is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.157 H 269.6°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D8C
RGB	rgb(31, 45, 140)
HSL	hsl(232, 64%, 34%)
HSV	hsv(232, 78%, 55%)
CMYK	cmyk(77.9%, 67.9%, 0%, 45.1%)
CIE-LAB	lab(23.87, 29.80, -54.15)
CIE-LCH	lch(23.87, 61.81, 298.82°)
OKLab	oklab(35.57% -0.001 -0.1567)
OKLCH	oklch(35.57% 0.157 269.6)
XYZ	xyz(6.2355, 4.0608, 25.2611)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D8C #8C7E1F

analogous

#1F638C #1F2D8C #471F8C

triadic

#1F2D8C #8C1F2D #2D8C1F

tetradic

#1F2D8C #8C1F63 #8C7E1F #1F8C47

square

#1F2D8C #8C1F63 #8C7E1F #1F8C47

split-complementary

#1F2D8C #8C471F #638C1F

monochromatic

#090D28 #141D5A #1F2D8C #2A3DBE #4E5FD8

Accessibility & contrast

On white

11.59

#1F2D8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1F2D8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D8C

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D8C	#FFFFFF	#000000	##FFFFFF
##1F2D8C	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8F

Deuteranopia (green-blind)

#00348A

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f2d8c;
/* rgb */ color: rgb(31, 45, 140);
/* oklch */ color: oklch(35.6% 0.157 269.6);

Tailwind

colors: {
  custom: {
    50: '#6d66af',
    500: '#1f2d8c',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d8c;
$custom-light: #6d66af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d8c",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 140
  },
  "hsl": {
    "h": 232.294,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35565,
    "c": 0.15667,
    "h": 269.6
  },
  "luminance": 0.04062
}

Semantic roles & 50–950 ramp

primary

#1F2D8C

secondary

#BBAC4C

accent

#D141E7

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1F2D8C

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

Preview Lab → · Contrast checker → · Palette generator →