#1F146E#1F146E

#1F146E is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.3% C 0.144 H 277.3°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#1F146E
RGB	rgb(31, 20, 110)
HSL	hsl(247, 69%, 25%)
HSV	hsv(247, 82%, 43%)
CMYK	cmyk(71.8%, 81.8%, 0%, 56.9%)
CIE-LAB	lab(15.05, 34.54, -49.60)
CIE-LCH	lch(15.05, 60.44, 304.85°)
OKLab	oklab(28.29% 0.0184 -0.1433)
OKLCH	oklch(28.29% 0.145 277.3)
XYZ	xyz(3.6288, 1.9171, 14.9276)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F146E #636E14

analogous

#14366E #1F146E #4C146E

triadic

#1F146E #6E1F14 #146E1F

tetradic

#1F146E #6E1436 #636E14 #146E4C

square

#1F146E #6E1436 #636E14 #146E4C

split-complementary

#1F146E #6E4C14 #366E14

monochromatic

#07051A #100B3A #1F146E #2E1DA2 #3C27D6

Accessibility & contrast

On white

15.18

#1F146E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1F146E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F146E

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F146E	#FFFFFF	#000000	##FFFFFF
##1F146E	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002971

Deuteranopia (green-blind)

#00226C

Tritanopia (blue-blind)

#002F41

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f146e;
/* rgb */ color: rgb(31, 20, 110);
/* oklch */ color: oklch(28.3% 0.144 277.3);

Tailwind

colors: {
  custom: {
    50: '#685499',
    500: '#1f146e',
    950: '#000000',
  },
}

SCSS

$custom: #1f146e;
$custom-light: #685499;
$custom-dark: #000000;

JSON

{
  "hex": "#1f146e",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 110
  },
  "hsl": {
    "h": 247.333,
    "s": 69.231,
    "l": 25.49
  },
  "oklch": {
    "l": 0.28288,
    "c": 0.1445,
    "h": 277.3
  },
  "luminance": 0.01917
}

Semantic roles & 50–950 ramp

primary

#1F146E

secondary

#98A539

accent

#EC3CD7

background

#F6F4F9

surface

#ECE8F2

border

#C7C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1F146E

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

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