#1F2D75#1F2D75

#1F2D75 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.4% C 0.124 H 269.9°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D75
RGB	rgb(31, 45, 117)
HSL	hsl(230, 58%, 29%)
HSV	hsv(230, 74%, 46%)
CMYK	cmyk(73.5%, 61.5%, 0%, 54.1%)
CIE-LAB	lab(21.77, 20.89, -43.09)
CIE-LCH	lch(21.77, 47.88, 295.87°)
OKLab	oklab(33.37% -0.0002 -0.1242)
OKLCH	oklch(33.37% 0.124 269.9)
XYZ	xyz(4.7132, 3.4520, 17.2441)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D75 #75671F

analogous

#1F5875 #1F2D75 #3C1F75

triadic

#1F2D75 #751F2D #2D751F

tetradic

#1F2D75 #751F58 #75671F #1F753C

square

#1F2D75 #751F58 #75671F #1F753C

split-complementary

#1F2D75 #753C1F #58751F

monochromatic

#060918 #121A45 #1F2D75 #2C40A5 #4258CD

Accessibility & contrast

On white

12.42

#1F2D75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1F2D75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D75

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D75	#FFFFFF	#000000	##FFFFFF
##1F2D75	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003877

Deuteranopia (green-blind)

#003074

Tritanopia (blue-blind)

#003F4C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2d75;
/* rgb */ color: rgb(31, 45, 117);
/* oklch */ color: oklch(33.4% 0.124 269.9);

Tailwind

colors: {
  custom: {
    50: '#67659d',
    500: '#1f2d75',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d75;
$custom-light: #67659d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d75",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 117
  },
  "hsl": {
    "h": 230.233,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33367,
    "c": 0.12425,
    "h": 269.9
  },
  "luminance": 0.03452
}

Semantic roles & 50–950 ramp

primary

#1F2D75

secondary

#A99947

accent

#C846E1

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1F2D75

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

Preview Lab → · Contrast checker → · Palette generator →