#1F16A0#1F16A0

#1F16A0 is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.6% C 0.203 H 271.1°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F16A0
RGB	rgb(31, 22, 160)
HSL	hsl(244, 76%, 36%)
HSV	hsv(244, 86%, 63%)
CMYK	cmyk(80.6%, 86.3%, 0%, 37.3%)
CIE-LAB	lab(21.59, 49.49, -70.25)
CIE-LCH	lch(21.59, 85.93, 305.17°)
OKLab	oklab(34.61% 0.004 -0.2032)
OKLCH	oklch(34.61% 0.203 271.1)
XYZ	xyz(7.1950, 3.4024, 33.5284)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F16A0 #97A016

analogous

#1652A0 #1F16A0 #6416A0

triadic

#1F16A0 #A01F16 #16A01F

tetradic

#1F16A0 #A01652 #97A016 #16A064

square

#1F16A0 #A01652 #97A016 #16A064

split-complementary

#1F16A0 #A06416 #52A016

monochromatic

#0A0734 #150F6A #1F16A0 #291DD6 #544AE6

Accessibility & contrast

On white

12.50

#1F16A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1F16A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F16A0

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F16A0	#FFFFFF	#000000	##FFFFFF
##1F16A0	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA4

Deuteranopia (green-blind)

#002D9E

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f16a0;
/* rgb */ color: rgb(31, 22, 160);
/* oklch */ color: oklch(34.6% 0.203 271.1);

Tailwind

colors: {
  custom: {
    50: '#7559be',
    500: '#1f16a0',
    950: '#000000',
  },
}

SCSS

$custom: #1f16a0;
$custom-light: #7559be;
$custom-dark: #000000;

JSON

{
  "hex": "#1f16a0",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 160
  },
  "hsl": {
    "h": 243.913,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34606,
    "c": 0.20326,
    "h": 271.1
  },
  "luminance": 0.03403
}

Semantic roles & 50–950 ramp

primary

#1F16A0

secondary

#BFC84A

accent

#F235E6

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F16A0

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

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