#1F4785#1F4785

#1F4785 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.5% C 0.113 H 259.0°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F4785
RGB	rgb(31, 71, 133)
HSL	hsl(216, 62%, 32%)
HSV	hsv(216, 77%, 52%)
CMYK	cmyk(76.7%, 46.6%, 0%, 47.8%)
CIE-LAB	lab(30.62, 9.15, -38.85)
CIE-LCH	lch(30.62, 39.91, 283.25°)
OKLab	oklab(40.47% -0.0216 -0.1113)
OKLCH	oklch(40.47% 0.113 259)
XYZ	xyz(7.0504, 6.4905, 23.0670)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4785 #855D1F

analogous

#1F7A85 #1F4785 #2A1F85

triadic

#1F4785 #851F47 #47851F

tetradic

#1F4785 #851F7A #855D1F #1F852A

square

#1F4785 #851F7A #855D1F #1F852A

split-complementary

#1F4785 #852A1F #7A851F

monochromatic

#081222 #132D53 #1F4785 #2B61B7 #4A80D5

Accessibility & contrast

On white

9.14

#1F4785 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1F4785 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4785

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4785	#FFFFFF	#000000	##FFFFFF
##1F4785	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274D87

Deuteranopia (green-blind)

#114484

Tritanopia (blue-blind)

#00565F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4785;
/* rgb */ color: rgb(31, 71, 133);
/* oklch */ color: oklch(40.5% 0.113 259.0);

Tailwind

colors: {
  custom: {
    50: '#6a79a9',
    500: '#1f4785',
    950: '#000000',
  },
}

SCSS

$custom: #1f4785;
$custom-light: #6a79a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4785",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 133
  },
  "hsl": {
    "h": 216.471,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40466,
    "c": 0.11342,
    "h": 259
  },
  "luminance": 0.06491
}

Semantic roles & 50–950 ramp

primary

#1F4785

secondary

#B78C49

accent

#A543E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1F4785

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

Preview Lab → · Contrast checker → · Palette generator →