#1F4485#1F4485

#1F4485 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.8% C 0.117 H 260.7°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F4485
RGB	rgb(31, 68, 133)
HSL	hsl(218, 62%, 32%)
HSV	hsv(218, 77%, 52%)
CMYK	cmyk(76.7%, 48.9%, 0%, 47.8%)
CIE-LAB	lab(29.71, 11.20, -40.31)
CIE-LCH	lch(29.71, 41.84, 285.53°)
OKLab	oklab(39.77% -0.0189 -0.1157)
OKLCH	oklch(39.77% 0.117 260.7)
XYZ	xyz(6.8643, 6.1182, 23.0049)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4485 #85601F

analogous

#1F7785 #1F4485 #2D1F85

triadic

#1F4485 #851F44 #44851F

tetradic

#1F4485 #851F77 #85601F #1F852D

square

#1F4485 #851F77 #85601F #1F852D

split-complementary

#1F4485 #852D1F #77851F

monochromatic

#081122 #132B53 #1F4485 #2B5DB7 #4A7CD5

Accessibility & contrast

On white

9.44

#1F4485 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1F4485 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4485

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4485	#FFFFFF	#000000	##FFFFFF
##1F4485	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214B87

Deuteranopia (green-blind)

#044284

Tritanopia (blue-blind)

#00535E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1f4485;
/* rgb */ color: rgb(31, 68, 133);
/* oklch */ color: oklch(39.8% 0.117 260.7);

Tailwind

colors: {
  custom: {
    50: '#6a77a9',
    500: '#1f4485',
    950: '#000000',
  },
}

SCSS

$custom: #1f4485;
$custom-light: #6a77a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4485",
  "rgb": {
    "r": 31,
    "g": 68,
    "b": 133
  },
  "hsl": {
    "h": 218.235,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39767,
    "c": 0.11722,
    "h": 260.7
  },
  "luminance": 0.06119
}

Semantic roles & 50–950 ramp

primary

#1F4485

secondary

#B78F49

accent

#AA43E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4485

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

Preview Lab → · Contrast checker → · Palette generator →