#1F419C#1F419C

#1F419C is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.0% C 0.154 H 264.8°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#1F419C
RGB	rgb(31, 65, 156)
HSL	hsl(224, 67%, 37%)
HSV	hsv(224, 80%, 61%)
CMYK	cmyk(80.1%, 58.3%, 0%, 38.8%)
CIE-LAB	lab(30.57, 22.45, -53.02)
CIE-LCH	lch(30.57, 57.58, 292.95°)
OKLab	oklab(40.97% -0.014 -0.1531)
OKLCH	oklch(40.97% 0.154 264.8)
XYZ	xyz(8.4540, 6.4712, 32.2496)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F419C #9C7A1F

analogous

#1F809C #1F419C #3C1F9C

triadic

#1F419C #9C1F41 #419C1F

tetradic

#1F419C #9C1F80 #9C7A1F #1F9C3C

square

#1F419C #9C1F80 #9C7A1F #1F9C3C

split-complementary

#1F419C #9C3C1F #809C1F

monochromatic

#0B1636 #152C69 #1F419C #2956CF #587CDE

Accessibility & contrast

On white

9.15

#1F419C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1F419C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F419C

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F419C	#FFFFFF	#000000	##FFFFFF
##1F419C	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9F

Deuteranopia (green-blind)

#00429A

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f419c;
/* rgb */ color: rgb(31, 65, 156);
/* oklch */ color: oklch(41.0% 0.154 264.8);

Tailwind

colors: {
  custom: {
    50: '#7075ba',
    500: '#1f419c',
    950: '#000000',
  },
}

SCSS

$custom: #1f419c;
$custom-light: #7075ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f419c",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 156
  },
  "hsl": {
    "h": 223.68,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40969,
    "c": 0.15377,
    "h": 264.8
  },
  "luminance": 0.06472
}

Semantic roles & 50–950 ramp

primary

#1F419C

secondary

#C1A455

accent

#BB3EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1F419C

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

Preview Lab → · Contrast checker → · Palette generator →