#1F419E#1F419E

#1F419E is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.1% C 0.157 H 264.9°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#1F419E
RGB	rgb(31, 65, 158)
HSL	hsl(224, 67%, 37%)
HSV	hsv(224, 80%, 62%)
CMYK	cmyk(80.4%, 58.9%, 0%, 38%)
CIE-LAB	lab(30.73, 23.24, -53.97)
CIE-LCH	lch(30.73, 58.76, 293.30°)
OKLab	oklab(41.14% -0.0139 -0.1559)
OKLCH	oklch(41.14% 0.157 264.9)
XYZ	xyz(8.6247, 6.5395, 33.1488)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F419E #9E7C1F

analogous

#1F819E #1F419E #3D1F9E

triadic

#1F419E #9E1F41 #419E1F

tetradic

#1F419E #9E1F81 #9E7C1F #1F9E3D

square

#1F419E #9E1F81 #9E7C1F #1F9E3D

split-complementary

#1F419E #9E3D1F #819E1F

monochromatic

#0B1738 #152C6B #1F419E #2956D1 #597DDE

Accessibility & contrast

On white

9.10

#1F419E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1F419E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F419E

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F419E	#FFFFFF	#000000	##FFFFFF
##1F419E	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f419e;
/* rgb */ color: rgb(31, 65, 158);
/* oklch */ color: oklch(41.1% 0.157 264.9);

Tailwind

colors: {
  custom: {
    50: '#7075bb',
    500: '#1f419e',
    950: '#000000',
  },
}

SCSS

$custom: #1f419e;
$custom-light: #7075bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f419e",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 158
  },
  "hsl": {
    "h": 223.937,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.41143,
    "c": 0.15653,
    "h": 264.9
  },
  "luminance": 0.06541
}

Semantic roles & 50–950 ramp

primary

#1F419E

secondary

#C2A556

accent

#BC3EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1F419E

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

Preview Lab → · Contrast checker → · Palette generator →