#1F196E#1F196E

#1F196E is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.139 H 276.4°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F196E
RGB	rgb(31, 25, 110)
HSL	hsl(244, 63%, 26%)
HSV	hsv(244, 77%, 43%)
CMYK	cmyk(71.8%, 77.3%, 0%, 56.9%)
CIE-LAB	lab(16.06, 31.65, -47.92)
CIE-LCH	lch(16.06, 57.43, 303.44°)
OKLab	oklab(29.01% 0.0155 -0.1385)
OKLCH	oklch(29.01% 0.139 276.4)
XYZ	xyz(3.7263, 2.1120, 14.9601)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F196E #686E19

analogous

#193E6E #1F196E #4A196E

triadic

#1F196E #6E1F19 #196E1F

tetradic

#1F196E #6E193E #686E19 #196E4A

square

#1F196E #6E193E #686E19 #196E4A

split-complementary

#1F196E #6E4A19 #3E6E19

monochromatic

#070619 #110E3C #1F196E #2D24A0 #3C31D0

Accessibility & contrast

On white

14.76

#1F196E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1F196E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F196E

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F196E	#FFFFFF	#000000	##FFFFFF
##1F196E	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C70

Deuteranopia (green-blind)

#00246C

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1f196e;
/* rgb */ color: rgb(31, 25, 110);
/* oklch */ color: oklch(29.0% 0.139 276.4);

Tailwind

colors: {
  custom: {
    50: '#685799',
    500: '#1f196e',
    950: '#000000',
  },
}

SCSS

$custom: #1f196e;
$custom-light: #685799;
$custom-dark: #000000;

JSON

{
  "hex": "#1f196e",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 110
  },
  "hsl": {
    "h": 244.235,
    "s": 62.963,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29005,
    "c": 0.13934,
    "h": 276.4
  },
  "luminance": 0.02112
}

Semantic roles & 50–950 ramp

primary

#1F196E

secondary

#9CA33F

accent

#E642DA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F196E

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

Preview Lab → · Contrast checker → · Palette generator →