#1F2CA8#1F2CA8

#1F2CA8 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.3% C 0.194 H 269.0°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F2CA8
RGB	rgb(31, 44, 168)
HSL	hsl(234, 69%, 39%)
HSV	hsv(234, 82%, 66%)
CMYK	cmyk(81.5%, 73.8%, 0%, 34.1%)
CIE-LAB	lab(26.50, 40.67, -66.96)
CIE-LCH	lch(26.50, 78.34, 301.27°)
OKLab	oklab(38.32% -0.0035 -0.194)
OKLCH	oklch(38.32% 0.194 269)
XYZ	xyz(8.5312, 4.9188, 37.5380)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2CA8 #A89B1F

analogous

#1F71A8 #1F2CA8 #571FA8

triadic

#1F2CA8 #A81F2C #2CA81F

tetradic

#1F2CA8 #A81F71 #A89B1F #1FA857

square

#1F2CA8 #A81F71 #A89B1F #1FA857

split-complementary

#1F2CA8 #A8571F #71A81F

monochromatic

#0C1141 #151E74 #1F2CA8 #2C3CD8 #606CE2

Accessibility & contrast

On white

10.58

#1F2CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1F2CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2CA8

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2CA8	#FFFFFF	#000000	##FFFFFF
##1F2CA8	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#0038A6

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f2ca8;
/* rgb */ color: rgb(31, 44, 168);
/* oklch */ color: oklch(38.3% 0.194 269.0);

Tailwind

colors: {
  custom: {
    50: '#7566c3',
    500: '#1f2ca8',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ca8;
$custom-light: #7566c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ca8",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 168
  },
  "hsl": {
    "h": 234.307,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38325,
    "c": 0.19404,
    "h": 269
  },
  "luminance": 0.0492
}

Semantic roles & 50–950 ramp

primary

#1F2CA8

secondary

#C6BC5D

accent

#DB3CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2CA8

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

Preview Lab → · Contrast checker → · Palette generator →