#1F4D93#1F4D93

#1F4D93 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 42.9% C 0.126 H 258.8°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#1F4D93
RGB	rgb(31, 77, 147)
HSL	hsl(216, 65%, 35%)
HSV	hsv(216, 79%, 58%)
CMYK	cmyk(78.9%, 47.6%, 0%, 42.4%)
CIE-LAB	lab(33.36, 10.69, -43.04)
CIE-LCH	lch(33.36, 44.35, 283.95°)
OKLab	oklab(42.88% -0.0244 -0.1235)
OKLCH	oklch(42.88% 0.126 258.8)
XYZ	xyz(8.4835, 7.7047, 28.6381)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4D93 #93651F

analogous

#1F8793 #1F4D93 #2B1F93

triadic

#1F4D93 #931F4D #4D931F

tetradic

#1F4D93 #931F87 #93651F #1F932B

square

#1F4D93 #931F87 #93651F #1F932B

split-complementary

#1F4D93 #932B1F #87931F

monochromatic

#0A182E #143360 #1F4D93 #2A67C6 #5288DA

Accessibility & contrast

On white

8.26

#1F4D93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1F4D93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4D93

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4D93	#FFFFFF	#000000	##FFFFFF
##1F4D93	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275496

Deuteranopia (green-blind)

#084A92

Tritanopia (blue-blind)

#005E69

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f4d93;
/* rgb */ color: rgb(31, 77, 147);
/* oklch */ color: oklch(42.9% 0.126 258.8);

Tailwind

colors: {
  custom: {
    50: '#6d7eb3',
    500: '#1f4d93',
    950: '#000000',
  },
}

SCSS

$custom: #1f4d93;
$custom-light: #6d7eb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4d93",
  "rgb": {
    "r": 31,
    "g": 77,
    "b": 147
  },
  "hsl": {
    "h": 216.207,
    "s": 65.169,
    "l": 34.902
  },
  "oklch": {
    "l": 0.4288,
    "c": 0.12591,
    "h": 258.8
  },
  "luminance": 0.07706
}

Semantic roles & 50–950 ramp

primary

#1F4D93

secondary

#BE9250

accent

#A540E8

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4D93

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

Preview Lab → · Contrast checker → · Palette generator →