#1F2E4E#1F2E4E

#1F2E4E is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.5% C 0.062 H 264.1°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E4E
RGB	rgb(31, 46, 78)
HSL	hsl(221, 43%, 21%)
HSV	hsv(221, 60%, 31%)
CMYK	cmyk(60.3%, 41%, 0%, 69.4%)
CIE-LAB	lab(19.20, 4.80, -21.62)
CIE-LCH	lch(19.20, 22.15, 282.51°)
OKLab	oklab(30.51% -0.0063 -0.0612)
OKLCH	oklch(30.51% 0.062 264.1)
XYZ	xyz(2.9168, 2.7951, 7.5921)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E4E #4E3F1F

analogous

#1F464E #1F2E4E #281F4E

triadic

#1F2E4E #4E1F2E #2E4E1F

tetradic

#1F2E4E #4E1F46 #4E3F1F #1F4E28

square

#1F2E4E #4E1F46 #4E3F1F #1F4E28

split-complementary

#1F2E4E #4E281F #464E1F

monochromatic

#090D16 #0E1422 #1F2E4E #30487A #4262A6

Accessibility & contrast

On white

13.47

#1F2E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1F2E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E4E

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E4E	#FFFFFF	#000000	##FFFFFF
##1F2E4E	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21314F

Deuteranopia (green-blind)

#1B2D4D

Tritanopia (blue-blind)

#05353A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f2e4e;
/* rgb */ color: rgb(31, 46, 78);
/* oklch */ color: oklch(30.5% 0.062 264.1);

Tailwind

colors: {
  custom: {
    50: '#5f6680',
    500: '#1f2e4e',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e4e;
$custom-light: #5f6680;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e4e",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 78
  },
  "hsl": {
    "h": 220.851,
    "s": 43.119,
    "l": 21.373
  },
  "oklch": {
    "l": 0.30505,
    "c": 0.06151,
    "h": 264.1
  },
  "luminance": 0.02795
}

Semantic roles & 50–950 ramp

primary

#1F2E4E

secondary

#836F46

accent

#AB55D3

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#05050A

muted

#797A7C

Preview Lab

Preview with #1F2E4E

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

Preview Lab → · Contrast checker → · Palette generator →