#1F2E54#1F2E54

#1F2E54 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 30.9% C 0.071 H 266.1°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E54
RGB	rgb(31, 46, 84)
HSL	hsl(223, 46%, 23%)
HSV	hsv(223, 63%, 33%)
CMYK	cmyk(63.1%, 45.2%, 0%, 67.1%)
CIE-LAB	lab(19.58, 7.11, -25.06)
CIE-LCH	lch(19.58, 26.05, 285.85°)
OKLab	oklab(30.92% -0.0048 -0.0712)
OKLCH	oklch(30.92% 0.071 266.1)
XYZ	xyz(3.1418, 2.8851, 8.7771)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E54 #54451F

analogous

#1F4854 #1F2E54 #2B1F54

triadic

#1F2E54 #541F2E #2E541F

tetradic

#1F2E54 #541F48 #54451F #1F542B

square

#1F2E54 #541F48 #54451F #1F542B

split-complementary

#1F2E54 #542B1F #48541F

monochromatic

#080C16 #0F1627 #1F2E54 #2F4681 #405FAD

Accessibility & contrast

On white

13.32

#1F2E54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1F2E54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E54

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E54	#FFFFFF	#000000	##FFFFFF
##1F2E54	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3255

Deuteranopia (green-blind)

#172D53

Tritanopia (blue-blind)

#00363C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f2e54;
/* rgb */ color: rgb(31, 46, 84);
/* oklch */ color: oklch(30.9% 0.071 266.1);

Tailwind

colors: {
  custom: {
    50: '#606684',
    500: '#1f2e54',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e54;
$custom-light: #606684;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e54",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 84
  },
  "hsl": {
    "h": 223.019,
    "s": 46.087,
    "l": 22.549
  },
  "oklch": {
    "l": 0.30915,
    "c": 0.07138,
    "h": 266.1
  },
  "luminance": 0.02885
}

Semantic roles & 50–950 ramp

primary

#1F2E54

secondary

#897646

accent

#B052D6

background

#F5F6F8

surface

#EAEBEF

border

#C6C6CA

text

#05050B

muted

#797A7C

Preview Lab

Preview with #1F2E54

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

Preview Lab → · Contrast checker → · Palette generator →