#1F196D#1F196D

#1F196D is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.138 H 276.5°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F196D
RGB	rgb(31, 25, 109)
HSL	hsl(244, 63%, 26%)
HSV	hsv(244, 77%, 43%)
CMYK	cmyk(71.6%, 77.1%, 0%, 57.3%)
CIE-LAB	lab(15.95, 31.29, -47.45)
CIE-LCH	lch(15.95, 56.84, 303.41°)
OKLab	oklab(28.89% 0.0157 -0.1371)
OKLCH	oklch(28.89% 0.138 276.5)
XYZ	xyz(3.6721, 2.0904, 14.6750)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F196D #676D19

analogous

#193D6D #1F196D #49196D

triadic

#1F196D #6D1F19 #196D1F

tetradic

#1F196D #6D193D #676D19 #196D49

square

#1F196D #6D193D #676D19 #196D49

split-complementary

#1F196D #6D4919 #3D6D19

monochromatic

#070619 #110E3B #1F196D #2D249F #3C31D0

Accessibility & contrast

On white

14.81

#1F196D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1F196D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F196D

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F196D	#FFFFFF	#000000	##FFFFFF
##1F196D	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6F

Deuteranopia (green-blind)

#00246B

Tritanopia (blue-blind)

#003141

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f196d;
/* rgb */ color: rgb(31, 25, 109);
/* oklch */ color: oklch(28.9% 0.138 276.5);

Tailwind

colors: {
  custom: {
    50: '#675798',
    500: '#1f196d',
    950: '#000000',
  },
}

SCSS

$custom: #1f196d;
$custom-light: #675798;
$custom-dark: #000000;

JSON

{
  "hex": "#1f196d",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 109
  },
  "hsl": {
    "h": 244.286,
    "s": 62.687,
    "l": 26.275
  },
  "oklch": {
    "l": 0.28894,
    "c": 0.13799,
    "h": 276.5
  },
  "luminance": 0.02091
}

Semantic roles & 50–950 ramp

primary

#1F196D

secondary

#9BA23F

accent

#E642DA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F196D

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

Preview Lab → · Contrast checker → · Palette generator →