#1F419F#1F419F

#1F419F is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.2% C 0.158 H 265.0°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F419F
RGB	rgb(31, 65, 159)
HSL	hsl(224, 67%, 37%)
HSV	hsv(224, 81%, 62%)
CMYK	cmyk(80.5%, 59.1%, 0%, 37.6%)
CIE-LAB	lab(30.82, 23.64, -54.44)
CIE-LCH	lch(30.82, 59.35, 293.47°)
OKLab	oklab(41.23% -0.0139 -0.1573)
OKLCH	oklch(41.23% 0.158 265)
XYZ	xyz(8.7112, 6.5741, 33.6040)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F419F #9F7D1F

analogous

#1F819F #1F419F #3D1F9F

triadic

#1F419F #9F1F41 #419F1F

tetradic

#1F419F #9F1F81 #9F7D1F #1F9F3D

square

#1F419F #9F1F81 #9F7D1F #1F9F3D

split-complementary

#1F419F #9F3D1F #819F1F

monochromatic

#0B1739 #152C6C #1F419F #2956D2 #5A7DDF

Accessibility & contrast

On white

9.07

#1F419F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1F419F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F419F

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F419F	#FFFFFF	#000000	##FFFFFF
##1F419F	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA2

Deuteranopia (green-blind)

#00439D

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f419f;
/* rgb */ color: rgb(31, 65, 159);
/* oklch */ color: oklch(41.2% 0.158 265.0);

Tailwind

colors: {
  custom: {
    50: '#7175bc',
    500: '#1f419f',
    950: '#000000',
  },
}

SCSS

$custom: #1f419f;
$custom-light: #7175bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f419f",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 159
  },
  "hsl": {
    "h": 224.063,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4123,
    "c": 0.1579,
    "h": 265
  },
  "luminance": 0.06575
}

Semantic roles & 50–950 ramp

primary

#1F419F

secondary

#C3A657

accent

#BC3EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1F419F

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

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