#1F2B92#1F2B92

#1F2B92 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.167 H 269.9°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F2B92
RGB	rgb(31, 43, 146)
HSL	hsl(234, 65%, 35%)
HSV	hsv(234, 79%, 57%)
CMYK	cmyk(78.8%, 70.5%, 0%, 42.7%)
CIE-LAB	lab(23.98, 33.35, -57.69)
CIE-LCH	lch(23.98, 66.64, 300.03°)
OKLab	oklab(35.82% -0.0004 -0.167)
OKLCH	oklch(35.82% 0.167 269.9)
XYZ	xyz(6.6155, 4.0936, 27.6301)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2B92 #92861F

analogous

#1F6592 #1F2B92 #4C1F92

triadic

#1F2B92 #921F2B #2B921F

tetradic

#1F2B92 #921F65 #92861F #1F924C

square

#1F2B92 #921F65 #92861F #1F924C

split-complementary

#1F2B92 #924C1F #65921F

monochromatic

#0A0D2D #141C60 #1F2B92 #2A3AC4 #5160DA

Accessibility & contrast

On white

11.55

#1F2B92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F2B92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2B92

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2B92	#FFFFFF	#000000	##FFFFFF
##1F2B92	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F95

Deuteranopia (green-blind)

#003390

Tritanopia (blue-blind)

#00475B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f2b92;
/* rgb */ color: rgb(31, 43, 146);
/* oklch */ color: oklch(35.8% 0.167 269.9);

Tailwind

colors: {
  custom: {
    50: '#6f65b3',
    500: '#1f2b92',
    950: '#000000',
  },
}

SCSS

$custom: #1f2b92;
$custom-light: #6f65b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2b92",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 146
  },
  "hsl": {
    "h": 233.739,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35823,
    "c": 0.16703,
    "h": 269.9
  },
  "luminance": 0.04094
}

Semantic roles & 50–950 ramp

primary

#1F2B92

secondary

#BDB250

accent

#D640E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #1F2B92

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

Preview Lab → · Contrast checker → · Palette generator →