#1F4282#1F4282

#1F4282 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.1% C 0.115 H 261.3°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F4282
RGB	rgb(31, 66, 130)
HSL	hsl(219, 61%, 32%)
HSV	hsv(219, 76%, 51%)
CMYK	cmyk(76.2%, 49.2%, 0%, 49%)
CIE-LAB	lab(28.90, 11.37, -39.75)
CIE-LCH	lch(28.90, 41.34, 285.96°)
OKLab	oklab(39.08% -0.0175 -0.1141)
OKLCH	oklch(39.08% 0.115 261.3)
XYZ	xyz(6.5411, 5.7987, 21.8893)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4282 #825F1F

analogous

#1F7482 #1F4282 #2E1F82

triadic

#1F4282 #821F42 #42821F

tetradic

#1F4282 #821F74 #825F1F #1F822E

square

#1F4282 #821F74 #825F1F #1F822E

split-complementary

#1F4282 #822E1F #74821F

monochromatic

#07101F #132951 #1F4282 #2B5BB3 #4879D3

Accessibility & contrast

On white

9.72

#1F4282 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1F4282 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4282

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4282	#FFFFFF	#000000	##FFFFFF
##1F4282	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4984

Deuteranopia (green-blind)

#034081

Tritanopia (blue-blind)

#00515B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f4282;
/* rgb */ color: rgb(31, 66, 130);
/* oklch */ color: oklch(39.1% 0.115 261.3);

Tailwind

colors: {
  custom: {
    50: '#6975a7',
    500: '#1f4282',
    950: '#000000',
  },
}

SCSS

$custom: #1f4282;
$custom-light: #6975a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4282",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 130
  },
  "hsl": {
    "h": 218.788,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39079,
    "c": 0.11542,
    "h": 261.3
  },
  "luminance": 0.05799
}

Semantic roles & 50–950 ramp

primary

#1F4282

secondary

#B58E48

accent

#AC43E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1F4282

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

Preview Lab → · Contrast checker → · Palette generator →