#1F4786#1F4786

#1F4786 is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.5% C 0.115 H 259.3°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F4786
RGB	rgb(31, 71, 134)
HSL	hsl(217, 62%, 32%)
HSV	hsv(217, 77%, 53%)
CMYK	cmyk(76.9%, 47%, 0%, 47.5%)
CIE-LAB	lab(30.68, 9.55, -39.36)
CIE-LCH	lch(30.68, 40.51, 283.63°)
OKLab	oklab(40.54% -0.0214 -0.1128)
OKLCH	oklch(40.54% 0.115 259.3)
XYZ	xyz(7.1198, 6.5182, 23.4325)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4786 #865E1F

analogous

#1F7B86 #1F4786 #2B1F86

triadic

#1F4786 #861F47 #47861F

tetradic

#1F4786 #861F7B #865E1F #1F862B

square

#1F4786 #861F7B #865E1F #1F862B

split-complementary

#1F4786 #862B1F #7B861F

monochromatic

#081223 #142D54 #1F4786 #2A61B8 #4A80D5

Accessibility & contrast

On white

9.12

#1F4786 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1F4786 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4786

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4786	#FFFFFF	#000000	##FFFFFF
##1F4786	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264D88

Deuteranopia (green-blind)

#0F4485

Tritanopia (blue-blind)

#005660

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4786;
/* rgb */ color: rgb(31, 71, 134);
/* oklch */ color: oklch(40.5% 0.115 259.3);

Tailwind

colors: {
  custom: {
    50: '#6a79aa',
    500: '#1f4786',
    950: '#000000',
  },
}

SCSS

$custom: #1f4786;
$custom-light: #6a79aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4786",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 134
  },
  "hsl": {
    "h": 216.699,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40539,
    "c": 0.11485,
    "h": 259.3
  },
  "luminance": 0.06519
}

Semantic roles & 50–950 ramp

primary

#1F4786

secondary

#B88D49

accent

#A642E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1F4786

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

Preview Lab → · Contrast checker → · Palette generator →