#1F167B#1F167B

#1F167B is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.1% C 0.159 H 275.0°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#1F167B
RGB	rgb(31, 22, 123)
HSL	hsl(245, 70%, 28%)
HSV	hsv(245, 82%, 48%)
CMYK	cmyk(74.8%, 82.1%, 0%, 51.8%)
CIE-LAB	lab(16.96, 37.80, -54.82)
CIE-LCH	lch(16.96, 66.59, 304.59°)
OKLab	oklab(30.08% 0.0138 -0.1585)
OKLCH	oklch(30.08% 0.159 275)
XYZ	xyz(4.4260, 2.2948, 18.9447)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F167B #727B16

analogous

#163F7B #1F167B #51167B

triadic

#1F167B #7B1F16 #167B1F

tetradic

#1F167B #7B163F #727B16 #167B51

square

#1F167B #7B163F #727B16 #167B51

split-complementary

#1F167B #7B5116 #3F7B16

monochromatic

#07051A #120D47 #1F167B #2C1FAF #4031DA

Accessibility & contrast

On white

14.39

#1F167B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1F167B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F167B

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F167B	#FFFFFF	#000000	##FFFFFF
##1F167B	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7E

Deuteranopia (green-blind)

#002579

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f167b;
/* rgb */ color: rgb(31, 22, 123);
/* oklch */ color: oklch(30.1% 0.159 275.0);

Tailwind

colors: {
  custom: {
    50: '#6b56a2',
    500: '#1f167b',
    950: '#000000',
  },
}

SCSS

$custom: #1f167b;
$custom-light: #6b56a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f167b",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 123
  },
  "hsl": {
    "h": 245.347,
    "s": 69.655,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3008,
    "c": 0.15912,
    "h": 275
  },
  "luminance": 0.02295
}

Semantic roles & 50–950 ramp

primary

#1F167B

secondary

#A6B03D

accent

#EC3BDD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1F167B

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

Preview Lab → · Contrast checker → · Palette generator →