#1F4894#1F4894

#1F4894 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.8% C 0.134 H 261.4°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F4894
RGB	rgb(31, 72, 148)
HSL	hsl(219, 65%, 35%)
HSV	hsv(219, 79%, 58%)
CMYK	cmyk(79.1%, 51.4%, 0%, 42%)
CIE-LAB	lab(31.95, 14.48, -45.92)
CIE-LCH	lch(31.95, 48.15, 287.50°)
OKLab	oklab(41.82% -0.02 -0.1321)
OKLCH	oklch(41.82% 0.134 261.4)
XYZ	xyz(8.2258, 7.0632, 28.9410)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4894 #946B1F

analogous

#1F8394 #1F4894 #301F94

triadic

#1F4894 #941F48 #48941F

tetradic

#1F4894 #941F83 #946B1F #1F9430

square

#1F4894 #941F83 #946B1F #1F9430

split-complementary

#1F4894 #94301F #83941F

monochromatic

#0A172F #142F61 #1F4894 #2A61C7 #5382DB

Accessibility & contrast

On white

8.70

#1F4894 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1F4894 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4894

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4894	#FFFFFF	#000000	##FFFFFF
##1F4894	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#195197

Deuteranopia (green-blind)

#004692

Tritanopia (blue-blind)

#005A67

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f4894;
/* rgb */ color: rgb(31, 72, 148);
/* oklch */ color: oklch(41.8% 0.134 261.4);

Tailwind

colors: {
  custom: {
    50: '#6d7ab4',
    500: '#1f4894',
    950: '#000000',
  },
}

SCSS

$custom: #1f4894;
$custom-light: #6d7ab4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4894",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 148
  },
  "hsl": {
    "h": 218.974,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41821,
    "c": 0.13362,
    "h": 261.4
  },
  "luminance": 0.07064
}

Semantic roles & 50–950 ramp

primary

#1F4894

secondary

#BE9851

accent

#AD3FE8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4894

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

Preview Lab → · Contrast checker → · Palette generator →