#1F196C#1F196C

#1F196C is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.8% C 0.137 H 276.7°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#1F196C
RGB	rgb(31, 25, 108)
HSL	hsl(244, 62%, 26%)
HSV	hsv(244, 77%, 42%)
CMYK	cmyk(71.3%, 76.9%, 0%, 57.6%)
CIE-LAB	lab(15.85, 30.94, -46.98)
CIE-LCH	lch(15.85, 56.25, 303.37°)
OKLab	oklab(28.78% 0.0159 -0.1357)
OKLCH	oklch(28.78% 0.137 276.7)
XYZ	xyz(3.6186, 2.0690, 14.3931)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F196C #666C19

analogous

#193C6C #1F196C #48196C

triadic

#1F196C #6C1F19 #196C1F

tetradic

#1F196C #6C193C #666C19 #196C48

square

#1F196C #6C193C #666C19 #196C48

split-complementary

#1F196C #6C4819 #3C6C19

monochromatic

#070619 #110D3A #1F196C #2D259E #3C30CF

Accessibility & contrast

On white

14.85

#1F196C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1F196C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F196C

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F196C	#FFFFFF	#000000	##FFFFFF
##1F196C	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6E

Deuteranopia (green-blind)

#00246A

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f196c;
/* rgb */ color: rgb(31, 25, 108);
/* oklch */ color: oklch(28.8% 0.137 276.7);

Tailwind

colors: {
  custom: {
    50: '#675797',
    500: '#1f196c',
    950: '#000000',
  },
}

SCSS

$custom: #1f196c;
$custom-light: #675797;
$custom-dark: #000000;

JSON

{
  "hex": "#1f196c",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 108
  },
  "hsl": {
    "h": 244.337,
    "s": 62.406,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28783,
    "c": 0.13666,
    "h": 276.7
  },
  "luminance": 0.02069
}

Semantic roles & 50–950 ramp

primary

#1F196C

secondary

#9AA13F

accent

#E542DA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F196C

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

Preview Lab → · Contrast checker → · Palette generator →