#1F2CA6#1F2CA6

#1F2CA6 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.192 H 269.0°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F2CA6
RGB	rgb(31, 44, 166)
HSL	hsl(234, 69%, 39%)
HSV	hsv(234, 81%, 65%)
CMYK	cmyk(81.3%, 73.5%, 0%, 34.9%)
CIE-LAB	lab(26.29, 39.96, -66.10)
CIE-LCH	lch(26.29, 77.25, 301.15°)
OKLab	oklab(38.11% -0.0032 -0.1915)
OKLCH	oklch(38.11% 0.192 269)
XYZ	xyz(8.3463, 4.8449, 36.5643)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2CA6 #A6991F

analogous

#1F6FA6 #1F2CA6 #551FA6

triadic

#1F2CA6 #A61F2C #2CA61F

tetradic

#1F2CA6 #A61F6F #A6991F #1FA655

square

#1F2CA6 #A61F6F #A6991F #1FA655

split-complementary

#1F2CA6 #A6551F #6FA61F

monochromatic

#0C113F #151E72 #1F2CA6 #2B3BD7 #5E6BE1

Accessibility & contrast

On white

10.66

#1F2CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1F2CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2CA6

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2CA6	#FFFFFF	#000000	##FFFFFF
##1F2CA6	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AA

Deuteranopia (green-blind)

#0037A4

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2ca6;
/* rgb */ color: rgb(31, 44, 166);
/* oklch */ color: oklch(38.1% 0.192 269.0);

Tailwind

colors: {
  custom: {
    50: '#7466c2',
    500: '#1f2ca6',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ca6;
$custom-light: #7466c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ca6",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 166
  },
  "hsl": {
    "h": 234.222,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38108,
    "c": 0.19156,
    "h": 269
  },
  "luminance": 0.04846
}

Semantic roles & 50–950 ramp

primary

#1F2CA6

secondary

#C5BB5B

accent

#DB3CEB

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2CA6

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

Preview Lab → · Contrast checker → · Palette generator →