#1F245D#1F245D

#1F245D is a dark, moderate blue. Relative luminance 0.023; OKLCH L 29.3% C 0.101 H 274.6°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F245D
RGB	rgb(31, 36, 93)
HSL	hsl(235, 50%, 24%)
HSV	hsv(235, 67%, 36%)
CMYK	cmyk(66.7%, 61.3%, 0%, 63.5%)
CIE-LAB	lab(17.19, 17.89, -34.89)
CIE-LCH	lch(17.19, 39.21, 297.14°)
OKLab	oklab(29.32% 0.008 -0.1003)
OKLCH	oklch(29.32% 0.101 274.6)
XYZ	xyz(3.1711, 2.3431, 10.6390)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F245D #5D581F

analogous

#1F435D #1F245D #391F5D

triadic

#1F245D #5D1F24 #245D1F

tetradic

#1F245D #5D1F43 #5D581F #1F5D39

square

#1F245D #5D1F43 #5D581F #1F5D39

split-complementary

#1F245D #5D391F #435D1F

monochromatic

#080917 #10122F #1F245D #2E368B #3E48B9

Accessibility & contrast

On white

14.30

#1F245D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#1F245D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F245D

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F245D	#FFFFFF	#000000	##FFFFFF
##1F245D	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5F

Deuteranopia (green-blind)

#00285C

Tritanopia (blue-blind)

#00323C

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f245d;
/* rgb */ color: rgb(31, 36, 93);
/* oklch */ color: oklch(29.3% 0.101 274.6);

Tailwind

colors: {
  custom: {
    50: '#625e8b',
    500: '#1f245d',
    950: '#000000',
  },
}

SCSS

$custom: #1f245d;
$custom-light: #625e8b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f245d",
  "rgb": {
    "r": 31,
    "g": 36,
    "b": 93
  },
  "hsl": {
    "h": 235.161,
    "s": 50,
    "l": 24.314
  },
  "oklch": {
    "l": 0.29321,
    "c": 0.10058,
    "h": 274.6
  },
  "luminance": 0.02343
}

Semantic roles & 50–950 ramp

primary

#1F245D

secondary

#928C46

accent

#CE4EDA

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #1F245D

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

Preview Lab → · Contrast checker → · Palette generator →