#1F4085#1F4085

#1F4085 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 38.9% C 0.122 H 262.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#1F4085
RGB	rgb(31, 64, 133)
HSL	hsl(221, 62%, 32%)
HSV	hsv(221, 77%, 52%)
CMYK	cmyk(76.7%, 51.9%, 0%, 47.8%)
CIE-LAB	lab(28.51, 13.96, -42.24)
CIE-LCH	lch(28.51, 44.48, 288.29°)
OKLab	oklab(38.85% -0.0153 -0.1214)
OKLCH	oklch(38.85% 0.122 262.8)
XYZ	xyz(6.6306, 5.6508, 22.9270)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4085 #85641F

analogous

#1F7385 #1F4085 #311F85

triadic

#1F4085 #851F40 #40851F

tetradic

#1F4085 #851F73 #85641F #1F8531

square

#1F4085 #851F73 #85641F #1F8531

split-complementary

#1F4085 #85311F #73851F

monochromatic

#081022 #132853 #1F4085 #2B58B7 #4A77D5

Accessibility & contrast

On white

9.86

#1F4085 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1F4085 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4085

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4085	#FFFFFF	#000000	##FFFFFF
##1F4085	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164887

Deuteranopia (green-blind)

#003F84

Tritanopia (blue-blind)

#00515C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f4085;
/* rgb */ color: rgb(31, 64, 133);
/* oklch */ color: oklch(38.9% 0.122 262.8);

Tailwind

colors: {
  custom: {
    50: '#6a74a9',
    500: '#1f4085',
    950: '#000000',
  },
}

SCSS

$custom: #1f4085;
$custom-light: #6a74a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4085",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 133
  },
  "hsl": {
    "h": 220.588,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38852,
    "c": 0.12239,
    "h": 262.8
  },
  "luminance": 0.05652
}

Semantic roles & 50–950 ramp

primary

#1F4085

secondary

#B79349

accent

#B143E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4085

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

Preview Lab → · Contrast checker → · Palette generator →