#1F4886#1F4886

#1F4886 is a dark, moderate blue. Relative luminance 0.066; OKLCH L 40.8% C 0.114 H 258.7°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F4886
RGB	rgb(31, 72, 134)
HSL	hsl(216, 62%, 32%)
HSV	hsv(216, 77%, 53%)
CMYK	cmyk(76.9%, 46.3%, 0%, 47.5%)
CIE-LAB	lab(30.99, 8.87, -38.88)
CIE-LCH	lch(30.99, 39.87, 282.85°)
OKLab	oklab(40.77% -0.0223 -0.1114)
OKLCH	oklch(40.77% 0.114 258.7)
XYZ	xyz(7.1839, 6.6465, 23.4539)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4886 #865D1F

analogous

#1F7B86 #1F4886 #2A1F86

triadic

#1F4886 #861F48 #48861F

tetradic

#1F4886 #861F7B #865D1F #1F862A

square

#1F4886 #861F7B #865D1F #1F862A

split-complementary

#1F4886 #862A1F #7B861F

monochromatic

#081323 #142D54 #1F4886 #2A63B8 #4A82D5

Accessibility & contrast

On white

9.02

#1F4886 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1F4886 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4886

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4886	#FFFFFF	#000000	##FFFFFF
##1F4886	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284E88

Deuteranopia (green-blind)

#134585

Tritanopia (blue-blind)

#005760

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f4886;
/* rgb */ color: rgb(31, 72, 134);
/* oklch */ color: oklch(40.8% 0.114 258.7);

Tailwind

colors: {
  custom: {
    50: '#6a7aaa',
    500: '#1f4886',
    950: '#000000',
  },
}

SCSS

$custom: #1f4886;
$custom-light: #6a7aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4886",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 134
  },
  "hsl": {
    "h": 216.117,
    "s": 62.424,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40773,
    "c": 0.11361,
    "h": 258.7
  },
  "luminance": 0.06647
}

Semantic roles & 50–950 ramp

primary

#1F4886

secondary

#B88C49

accent

#A542E5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1F4886

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

Preview Lab → · Contrast checker → · Palette generator →