#1F165E#1F165E

#1F165E is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.8% C 0.121 H 280.1°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#1F165E
RGB	rgb(31, 22, 94)
HSL	hsl(248, 62%, 23%)
HSV	hsv(248, 77%, 37%)
CMYK	cmyk(67%, 76.6%, 0%, 63.1%)
CIE-LAB	lab(13.67, 27.85, -41.31)
CIE-LCH	lch(13.67, 49.82, 303.98°)
OKLab	oklab(26.78% 0.0211 -0.1192)
OKLCH	oklch(26.78% 0.121 280.1)
XYZ	xyz(2.8717, 1.6731, 10.7591)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F165E #555E16

analogous

#16315E #1F165E #43165E

triadic

#1F165E #5E1F16 #165E1F

tetradic

#1F165E #5E1631 #555E16 #165E43

square

#1F165E #5E1631 #555E16 #165E43

split-complementary

#1F165E #5E4316 #315E16

monochromatic

#080619 #0F0A2C #1F165E #2F2290 #402DC1

Accessibility & contrast

On white

15.74

#1F165E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#1F165E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F165E

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F165E	#FFFFFF	#000000	##FFFFFF
##1F165E	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002660

Deuteranopia (green-blind)

#00205D

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1f165e;
/* rgb */ color: rgb(31, 22, 94);
/* oklch */ color: oklch(26.8% 0.121 280.1);

Tailwind

colors: {
  custom: {
    50: '#64548c',
    500: '#1f165e',
    950: '#000000',
  },
}

SCSS

$custom: #1f165e;
$custom-light: #64548c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f165e",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 94
  },
  "hsl": {
    "h": 247.5,
    "s": 62.069,
    "l": 22.745
  },
  "oklch": {
    "l": 0.2678,
    "c": 0.12102,
    "h": 280.1
  },
  "luminance": 0.01673
}

Semantic roles & 50–950 ramp

primary

#1F165E

secondary

#8A953B

accent

#E543D1

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #1F165E

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

Preview Lab → · Contrast checker → · Palette generator →