#1F169E#1F169E

#1F169E is a dark, highly saturated blue. Relative luminance 0.033; OKLCH L 34.4% C 0.201 H 271.3°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#1F169E
RGB	rgb(31, 22, 158)
HSL	hsl(244, 76%, 35%)
HSV	hsv(244, 86%, 62%)
CMYK	cmyk(80.4%, 86.1%, 0%, 38%)
CIE-LAB	lab(21.33, 48.89, -69.45)
CIE-LCH	lch(21.33, 84.93, 305.14°)
OKLab	oklab(34.36% 0.0045 -0.2009)
OKLCH	oklch(34.36% 0.201 271.3)
XYZ	xyz(7.0215, 3.3330, 32.6144)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F169E #959E16

analogous

#16519E #1F169E #63169E

triadic

#1F169E #9E1F16 #169E1F

tetradic

#1F169E #9E1651 #959E16 #169E63

square

#1F169E #9E1651 #959E16 #169E63

split-complementary

#1F169E #9E6316 #519E16

monochromatic

#0A0733 #140F68 #1F169E #2A1DD4 #5349E6

Accessibility & contrast

On white

12.60

#1F169E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1F169E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F169E

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F169E	#FFFFFF	#000000	##FFFFFF
##1F169E	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA2

Deuteranopia (green-blind)

#002C9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f169e;
/* rgb */ color: rgb(31, 22, 158);
/* oklch */ color: oklch(34.4% 0.201 271.3);

Tailwind

colors: {
  custom: {
    50: '#7459bc',
    500: '#1f169e',
    950: '#000000',
  },
}

SCSS

$custom: #1f169e;
$custom-light: #7459bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f169e",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 158
  },
  "hsl": {
    "h": 243.971,
    "s": 75.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.34356,
    "c": 0.20097,
    "h": 271.3
  },
  "luminance": 0.03334
}

Semantic roles & 50–950 ramp

primary

#1F169E

secondary

#BFC749

accent

#F236E6

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F169E

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

Preview Lab → · Contrast checker → · Palette generator →