#1F2A98#1F2A98

#1F2A98 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.3% C 0.176 H 269.8°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#1F2A98
RGB	rgb(31, 42, 152)
HSL	hsl(235, 66%, 36%)
HSV	hsv(235, 80%, 60%)
CMYK	cmyk(79.6%, 72.4%, 0%, 40.4%)
CIE-LAB	lab(24.36, 36.18, -60.75)
CIE-LCH	lch(24.36, 70.71, 300.78°)
OKLab	oklab(36.29% -0.0006 -0.1759)
OKLCH	oklch(36.29% 0.176 269.8)
XYZ	xyz(7.0586, 4.2134, 30.1409)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2A98 #988D1F

analogous

#1F6698 #1F2A98 #501F98

triadic

#1F2A98 #981F2A #2A981F

tetradic

#1F2A98 #981F66 #988D1F #1F9850

square

#1F2A98 #981F66 #988D1F #1F9850

split-complementary

#1F2A98 #98501F #66981F

monochromatic

#0A0E32 #151C65 #1F2A98 #2938CB #5561DC

Accessibility & contrast

On white

11.40

#1F2A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1F2A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2A98

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2A98	#FFFFFF	#000000	##FFFFFF
##1F2A98	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409B

Deuteranopia (green-blind)

#003496

Tritanopia (blue-blind)

#00495E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f2a98;
/* rgb */ color: rgb(31, 42, 152);
/* oklch */ color: oklch(36.3% 0.176 269.8);

Tailwind

colors: {
  custom: {
    50: '#7164b7',
    500: '#1f2a98',
    950: '#000000',
  },
}

SCSS

$custom: #1f2a98;
$custom-light: #7164b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2a98",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 152
  },
  "hsl": {
    "h": 234.545,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36287,
    "c": 0.17594,
    "h": 269.8
  },
  "luminance": 0.04214
}

Semantic roles & 50–950 ramp

primary

#1F2A98

secondary

#C0B653

accent

#DA3FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #1F2A98

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

Preview Lab → · Contrast checker → · Palette generator →