#1F245E#1F245E

#1F245E is a dark, moderate blue. Relative luminance 0.024; OKLCH L 29.4% C 0.102 H 274.5°. Best body text is #FFFFFF at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#1F245E
RGB	rgb(31, 36, 94)
HSL	hsl(235, 50%, 25%)
HSV	hsv(235, 67%, 37%)
CMYK	cmyk(67%, 61.7%, 0%, 63.1%)
CIE-LAB	lab(17.28, 18.28, -35.42)
CIE-LCH	lch(17.28, 39.85, 297.30°)
OKLab	oklab(29.41% 0.008 -0.1018)
OKLCH	oklch(29.41% 0.102 274.5)
XYZ	xyz(3.2157, 2.3609, 10.8738)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F245E #5E591F

analogous

#1F445E #1F245E #3A1F5E

triadic

#1F245E #5E1F24 #245E1F

tetradic

#1F245E #5E1F44 #5E591F #1F5E3A

square

#1F245E #5E1F44 #5E591F #1F5E3A

split-complementary

#1F245E #5E3A1F #445E1F

monochromatic

#080917 #101230 #1F245E #2E368C #3D47BA

Accessibility & contrast

On white

14.26

#1F245E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1F245E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F245E

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F245E	#FFFFFF	#000000	##FFFFFF
##1F245E	1.00	14.26	1.47	14.26
#FFFFFF	14.26	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D60

Deuteranopia (green-blind)

#00285D

Tritanopia (blue-blind)

#00323D

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f245e;
/* rgb */ color: rgb(31, 36, 94);
/* oklch */ color: oklch(29.4% 0.102 274.5);

Tailwind

colors: {
  custom: {
    50: '#635e8c',
    500: '#1f245e',
    950: '#000000',
  },
}

SCSS

$custom: #1f245e;
$custom-light: #635e8c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f245e",
  "rgb": {
    "r": 31,
    "g": 36,
    "b": 94
  },
  "hsl": {
    "h": 235.238,
    "s": 50.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.2941,
    "c": 0.10213,
    "h": 274.5
  },
  "luminance": 0.02361
}

Semantic roles & 50–950 ramp

primary

#1F245E

secondary

#938D46

accent

#CF4EDA

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1F245E

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

Preview Lab → · Contrast checker → · Palette generator →