#1F4382#1F4382

#1F4382 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.3% C 0.114 H 260.7°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F4382
RGB	rgb(31, 67, 130)
HSL	hsl(218, 61%, 32%)
HSV	hsv(218, 76%, 51%)
CMYK	cmyk(76.2%, 48.5%, 0%, 49%)
CIE-LAB	lab(29.20, 10.68, -39.26)
CIE-LCH	lch(29.20, 40.69, 285.22°)
OKLab	oklab(39.31% -0.0185 -0.1126)
OKLCH	oklch(39.31% 0.114 260.7)
XYZ	xyz(6.6000, 5.9166, 21.9089)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4382 #825E1F

analogous

#1F7582 #1F4382 #2D1F82

triadic

#1F4382 #821F43 #43821F

tetradic

#1F4382 #821F75 #825E1F #1F822D

square

#1F4382 #821F75 #825E1F #1F822D

split-complementary

#1F4382 #822D1F #75821F

monochromatic

#07101F #132A51 #1F4382 #2B5CB3 #487BD3

Accessibility & contrast

On white

9.62

#1F4382 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1F4382 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4382

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4382	#FFFFFF	#000000	##FFFFFF
##1F4382	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214A84

Deuteranopia (green-blind)

#084181

Tritanopia (blue-blind)

#00525C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1f4382;
/* rgb */ color: rgb(31, 67, 130);
/* oklch */ color: oklch(39.3% 0.114 260.7);

Tailwind

colors: {
  custom: {
    50: '#6976a7',
    500: '#1f4382',
    950: '#000000',
  },
}

SCSS

$custom: #1f4382;
$custom-light: #6976a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4382",
  "rgb": {
    "r": 31,
    "g": 67,
    "b": 130
  },
  "hsl": {
    "h": 218.182,
    "s": 61.491,
    "l": 31.569
  },
  "oklch": {
    "l": 0.39311,
    "c": 0.11413,
    "h": 260.7
  },
  "luminance": 0.05917
}

Semantic roles & 50–950 ramp

primary

#1F4382

secondary

#B58D48

accent

#AA43E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1F4382

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

Preview Lab → · Contrast checker → · Palette generator →