#1F2E72#1F2E72

#1F2E72 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.3% C 0.118 H 269.5°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E72
RGB	rgb(31, 46, 114)
HSL	hsl(229, 57%, 28%)
HSV	hsv(229, 73%, 45%)
CMYK	cmyk(72.8%, 59.6%, 0%, 55.3%)
CIE-LAB	lab(21.80, 19.00, -41.12)
CIE-LCH	lch(21.80, 45.30, 294.80°)
OKLab	oklab(33.31% -0.0011 -0.1184)
OKLCH	oklch(33.31% 0.118 269.5)
XYZ	xyz(4.5783, 3.4598, 16.3428)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E72 #72631F

analogous

#1F5772 #1F2E72 #391F72

triadic

#1F2E72 #721F2E #2E721F

tetradic

#1F2E72 #721F57 #72631F #1F7239

square

#1F2E72 #721F57 #72631F #1F7239

split-complementary

#1F2E72 #72391F #57721F

monochromatic

#070A18 #121B42 #1F2E72 #2C41A2 #4059CB

Accessibility & contrast

On white

12.41

#1F2E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1F2E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E72

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E72	#FFFFFF	#000000	##FFFFFF
##1F2E72	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003874

Deuteranopia (green-blind)

#003171

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2e72;
/* rgb */ color: rgb(31, 46, 114);
/* oklch */ color: oklch(33.3% 0.118 269.5);

Tailwind

colors: {
  custom: {
    50: '#67669b',
    500: '#1f2e72',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e72;
$custom-light: #67669b;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e72",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 114
  },
  "hsl": {
    "h": 229.157,
    "s": 57.241,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33309,
    "c": 0.11846,
    "h": 269.5
  },
  "luminance": 0.0346
}

Semantic roles & 50–950 ramp

primary

#1F2E72

secondary

#A69547

accent

#C547E0

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1F2E72

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

Preview Lab → · Contrast checker → · Palette generator →