#1F4086#1F4086

#1F4086 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 38.9% C 0.124 H 263.0°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#1F4086
RGB	rgb(31, 64, 134)
HSL	hsl(221, 62%, 32%)
HSV	hsv(221, 77%, 53%)
CMYK	cmyk(76.9%, 52.2%, 0%, 47.5%)
CIE-LAB	lab(28.59, 14.36, -42.74)
CIE-LCH	lch(28.59, 45.09, 288.57°)
OKLab	oklab(38.93% -0.0152 -0.1229)
OKLCH	oklch(38.93% 0.124 263)
XYZ	xyz(6.7000, 5.6786, 23.2926)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4086 #86651F

analogous

#1F7386 #1F4086 #321F86

triadic

#1F4086 #861F40 #40861F

tetradic

#1F4086 #861F73 #86651F #1F8632

square

#1F4086 #861F73 #86651F #1F8632

split-complementary

#1F4086 #86321F #73861F

monochromatic

#081123 #142854 #1F4086 #2A58B8 #4A77D5

Accessibility & contrast

On white

9.83

#1F4086 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1F4086 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4086

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4086	#FFFFFF	#000000	##FFFFFF
##1F4086	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144889

Deuteranopia (green-blind)

#003F85

Tritanopia (blue-blind)

#00515C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f4086;
/* rgb */ color: rgb(31, 64, 134);
/* oklch */ color: oklch(38.9% 0.124 263.0);

Tailwind

colors: {
  custom: {
    50: '#6a74aa',
    500: '#1f4086',
    950: '#000000',
  },
}

SCSS

$custom: #1f4086;
$custom-light: #6a74aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4086",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 134
  },
  "hsl": {
    "h": 220.777,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38931,
    "c": 0.12385,
    "h": 263
  },
  "luminance": 0.05679
}

Semantic roles & 50–950 ramp

primary

#1F4086

secondary

#B89449

accent

#B142E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1F4086

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

Preview Lab → · Contrast checker → · Palette generator →