#1F2275#1F2275

#1F2275 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.2% C 0.138 H 273.4°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F2275
RGB	rgb(31, 34, 117)
HSL	hsl(238, 58%, 29%)
HSV	hsv(238, 74%, 46%)
CMYK	cmyk(73.5%, 70.9%, 0%, 54.1%)
CIE-LAB	lab(18.88, 28.45, -47.81)
CIE-LCH	lch(18.88, 55.63, 300.76°)
OKLab	oklab(31.25% 0.0083 -0.1382)
OKLCH	oklch(31.25% 0.138 273.4)
XYZ	xyz(4.3469, 2.7193, 17.1220)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2275 #75721F

analogous

#1F4D75 #1F2275 #471F75

triadic

#1F2275 #751F22 #22751F

tetradic

#1F2275 #751F4D #75721F #1F7547

square

#1F2275 #751F4D #75721F #1F7547

split-complementary

#1F2275 #75471F #4D751F

monochromatic

#060718 #121445 #1F2275 #2C30A5 #4246CD

Accessibility & contrast

On white

13.60

#1F2275 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1F2275 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2275

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2275	#FFFFFF	#000000	##FFFFFF
##1F2275	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003278

Deuteranopia (green-blind)

#002A73

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f2275;
/* rgb */ color: rgb(31, 34, 117);
/* oklch */ color: oklch(31.2% 0.138 273.4);

Tailwind

colors: {
  custom: {
    50: '#685d9e',
    500: '#1f2275',
    950: '#000000',
  },
}

SCSS

$custom: #1f2275;
$custom-light: #685d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2275",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 117
  },
  "hsl": {
    "h": 237.907,
    "s": 58.108,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31247,
    "c": 0.13843,
    "h": 273.4
  },
  "luminance": 0.0272
}

Semantic roles & 50–950 ramp

primary

#1F2275

secondary

#A9A547

accent

#DC46E1

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1F2275

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

Preview Lab → · Contrast checker → · Palette generator →