#1F2E53#1F2E53

#1F2E53 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 30.8% C 0.070 H 265.8°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E53
RGB	rgb(31, 46, 83)
HSL	hsl(223, 46%, 22%)
HSV	hsv(223, 63%, 33%)
CMYK	cmyk(62.7%, 44.6%, 0%, 67.5%)
CIE-LAB	lab(19.51, 6.72, -24.49)
CIE-LCH	lch(19.51, 25.39, 285.35°)
OKLab	oklab(30.85% -0.0051 -0.0696)
OKLCH	oklch(30.85% 0.07 265.8)
XYZ	xyz(3.1029, 2.8696, 8.5723)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E53 #53441F

analogous

#1F4853 #1F2E53 #2A1F53

triadic

#1F2E53 #531F2E #2E531F

tetradic

#1F2E53 #531F48 #53441F #1F532A

square

#1F2E53 #531F48 #53441F #1F532A

split-complementary

#1F2E53 #532A1F #48531F

monochromatic

#080C16 #0E1526 #1F2E53 #304780 #405FAC

Accessibility & contrast

On white

13.34

#1F2E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1F2E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E53

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E53	#FFFFFF	#000000	##FFFFFF
##1F2E53	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3254

Deuteranopia (green-blind)

#172D52

Tritanopia (blue-blind)

#00363C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f2e53;
/* rgb */ color: rgb(31, 46, 83);
/* oklch */ color: oklch(30.8% 0.070 265.8);

Tailwind

colors: {
  custom: {
    50: '#606683',
    500: '#1f2e53',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e53;
$custom-light: #606683;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e53",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 83
  },
  "hsl": {
    "h": 222.692,
    "s": 45.614,
    "l": 22.353
  },
  "oklch": {
    "l": 0.30845,
    "c": 0.06974,
    "h": 265.8
  },
  "luminance": 0.0287
}

Semantic roles & 50–950 ramp

primary

#1F2E53

secondary

#887546

accent

#B053D5

background

#F5F6F8

surface

#EAEBEF

border

#C6C6CA

text

#05050A

muted

#797A7C

Preview Lab

Preview with #1F2E53

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

Preview Lab → · Contrast checker → · Palette generator →