#1F245F#1F245F

#1F245F is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.5% C 0.104 H 274.5°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F245F
RGB	rgb(31, 36, 95)
HSL	hsl(235, 51%, 25%)
HSV	hsv(235, 67%, 37%)
CMYK	cmyk(67.4%, 62.1%, 0%, 62.7%)
CIE-LAB	lab(17.36, 18.66, -35.94)
CIE-LCH	lch(17.36, 40.50, 297.44°)
OKLab	oklab(29.5% 0.0081 -0.1034)
OKLCH	oklch(29.5% 0.104 274.5)
XYZ	xyz(3.2608, 2.3790, 11.1116)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F245F #5F5A1F

analogous

#1F445F #1F245F #3A1F5F

triadic

#1F245F #5F1F24 #245F1F

tetradic

#1F245F #5F1F44 #5F5A1F #1F5F3A

square

#1F245F #5F1F44 #5F5A1F #1F5F3A

split-complementary

#1F245F #5F3A1F #445F1F

monochromatic

#080917 #101331 #1F245F #2E358D #3D47BB

Accessibility & contrast

On white

14.23

#1F245F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1F245F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F245F

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F245F	#FFFFFF	#000000	##FFFFFF
##1F245F	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E61

Deuteranopia (green-blind)

#00285E

Tritanopia (blue-blind)

#00323D

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1f245f;
/* rgb */ color: rgb(31, 36, 95);
/* oklch */ color: oklch(29.5% 0.104 274.5);

Tailwind

colors: {
  custom: {
    50: '#635e8d',
    500: '#1f245f',
    950: '#000000',
  },
}

SCSS

$custom: #1f245f;
$custom-light: #635e8d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f245f",
  "rgb": {
    "r": 31,
    "g": 36,
    "b": 95
  },
  "hsl": {
    "h": 235.313,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.295,
    "c": 0.10367,
    "h": 274.5
  },
  "luminance": 0.02379
}

Semantic roles & 50–950 ramp

primary

#1F245F

secondary

#948E46

accent

#CF4EDA

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1F245F

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

Preview Lab → · Contrast checker → · Palette generator →