#1F149F#1F149F

#1F149F is a dark, highly saturated blue. Relative luminance 0.033; OKLCH L 34.3% C 0.203 H 271.3°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F149F
RGB	rgb(31, 20, 159)
HSL	hsl(245, 78%, 35%)
HSV	hsv(245, 87%, 62%)
CMYK	cmyk(80.5%, 87.4%, 0%, 37.6%)
CIE-LAB	lab(21.18, 50.01, -70.31)
CIE-LCH	lch(21.18, 86.28, 305.42°)
OKLab	oklab(34.29% 0.0046 -0.2033)
OKLCH	oklch(34.29% 0.203 271.3)
XYZ	xyz(7.0711, 3.2940, 33.0573)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F149F #949F14

analogous

#144F9F #1F149F #64149F

triadic

#1F149F #9F1F14 #149F1F

tetradic

#1F149F #9F144F #949F14 #149F64

square

#1F149F #9F144F #949F14 #149F64

split-complementary

#1F149F #9F6414 #4F9F14

monochromatic

#0A0632 #140D69 #1F149F #2A1BD5 #5346E8

Accessibility & contrast

On white

12.66

#1F149F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1F149F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F149F

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F149F	#FFFFFF	#000000	##FFFFFF
##1F149F	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A3

Deuteranopia (green-blind)

#002C9D

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f149f;
/* rgb */ color: rgb(31, 20, 159);
/* oklch */ color: oklch(34.3% 0.203 271.3);

Tailwind

colors: {
  custom: {
    50: '#7558bd',
    500: '#1f149f',
    950: '#000000',
  },
}

SCSS

$custom: #1f149f;
$custom-light: #7558bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f149f",
  "rgb": {
    "r": 31,
    "g": 20,
    "b": 159
  },
  "hsl": {
    "h": 244.748,
    "s": 77.654,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34293,
    "c": 0.2034,
    "h": 271.3
  },
  "luminance": 0.03295
}

Semantic roles & 50–950 ramp

primary

#1F149F

secondary

#BEC846

accent

#F434E5

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F149F

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

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