#1F2CA7#1F2CA7

#1F2CA7 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.2% C 0.193 H 269.0°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F2CA7
RGB	rgb(31, 44, 167)
HSL	hsl(234, 69%, 39%)
HSV	hsv(234, 81%, 65%)
CMYK	cmyk(81.4%, 73.7%, 0%, 34.5%)
CIE-LAB	lab(26.39, 40.32, -66.53)
CIE-LCH	lch(26.39, 77.79, 301.21°)
OKLab	oklab(38.22% -0.0034 -0.1928)
OKLCH	oklch(38.22% 0.193 269)
XYZ	xyz(8.4384, 4.8817, 37.0492)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2CA7 #A79A1F

analogous

#1F70A7 #1F2CA7 #561FA7

triadic

#1F2CA7 #A71F2C #2CA71F

tetradic

#1F2CA7 #A71F70 #A79A1F #1FA756

square

#1F2CA7 #A71F70 #A79A1F #1FA756

split-complementary

#1F2CA7 #A7561F #70A71F

monochromatic

#0C1140 #151E73 #1F2CA7 #2B3CD8 #5F6CE1

Accessibility & contrast

On white

10.62

#1F2CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1F2CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2CA7

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2CA7	#FFFFFF	#000000	##FFFFFF
##1F2CA7	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AB

Deuteranopia (green-blind)

#0038A5

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2ca7;
/* rgb */ color: rgb(31, 44, 167);
/* oklch */ color: oklch(38.2% 0.193 269.0);

Tailwind

colors: {
  custom: {
    50: '#7566c2',
    500: '#1f2ca7',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ca7;
$custom-light: #7566c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ca7",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 167
  },
  "hsl": {
    "h": 234.265,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38216,
    "c": 0.1928,
    "h": 269
  },
  "luminance": 0.04883
}

Semantic roles & 50–950 ramp

primary

#1F2CA7

secondary

#C6BC5C

accent

#DB3CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2CA7

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

Preview Lab → · Contrast checker → · Palette generator →