#1F2B98#1F2B98

#1F2B98 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.5% C 0.175 H 269.6°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F2B98
RGB	rgb(31, 43, 152)
HSL	hsl(234, 66%, 36%)
HSV	hsv(234, 80%, 60%)
CMYK	cmyk(79.6%, 71.7%, 0%, 40.4%)
CIE-LAB	lab(24.59, 35.55, -60.37)
CIE-LCH	lch(24.59, 70.06, 300.49°)
OKLab	oklab(36.45% -0.0011 -0.1748)
OKLCH	oklch(36.45% 0.175 269.6)
XYZ	xyz(7.0945, 4.2853, 30.1529)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2B98 #988C1F

analogous

#1F6798 #1F2B98 #501F98

triadic

#1F2B98 #981F2B #2B981F

tetradic

#1F2B98 #981F67 #988C1F #1F9850

square

#1F2B98 #981F67 #988C1F #1F9850

split-complementary

#1F2B98 #98501F #67981F

monochromatic

#0A0E32 #151D65 #1F2B98 #2939CB #5562DC

Accessibility & contrast

On white

11.31

#1F2B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1F2B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2B98

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2B98	#FFFFFF	#000000	##FFFFFF
##1F2B98	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409B

Deuteranopia (green-blind)

#003596

Tritanopia (blue-blind)

#004A5E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f2b98;
/* rgb */ color: rgb(31, 43, 152);
/* oklch */ color: oklch(36.5% 0.175 269.6);

Tailwind

colors: {
  custom: {
    50: '#7165b7',
    500: '#1f2b98',
    950: '#000000',
  },
}

SCSS

$custom: #1f2b98;
$custom-light: #7165b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2b98",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 152
  },
  "hsl": {
    "h": 234.05,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36451,
    "c": 0.17485,
    "h": 269.6
  },
  "luminance": 0.04286
}

Semantic roles & 50–950 ramp

primary

#1F2B98

secondary

#C0B553

accent

#D83FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #1F2B98

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

Preview Lab → · Contrast checker → · Palette generator →