#1F2A94#1F2A94

#1F2A94 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.171 H 270.0°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#1F2A94
RGB	rgb(31, 42, 148)
HSL	hsl(234, 65%, 35%)
HSV	hsv(234, 79%, 58%)
CMYK	cmyk(79.1%, 71.6%, 0%, 42%)
CIE-LAB	lab(23.95, 34.73, -58.97)
CIE-LCH	lch(23.95, 68.44, 300.49°)
OKLab	oklab(35.86% -0.0001 -0.1708)
OKLCH	oklch(35.86% 0.171 270)
XYZ	xyz(6.7365, 4.0846, 28.4446)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2A94 #94891F

analogous

#1F6494 #1F2A94 #4E1F94

triadic

#1F2A94 #941F2A #2A941F

tetradic

#1F2A94 #941F64 #94891F #1F944E

square

#1F2A94 #941F64 #94891F #1F944E

split-complementary

#1F2A94 #944E1F #64941F

monochromatic

#0A0D2F #141C61 #1F2A94 #2A38C7 #535FDB

Accessibility & contrast

On white

11.56

#1F2A94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F2A94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2A94

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2A94	#FFFFFF	#000000	##FFFFFF
##1F2A94	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F97

Deuteranopia (green-blind)

#003392

Tritanopia (blue-blind)

#00485C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f2a94;
/* rgb */ color: rgb(31, 42, 148);
/* oklch */ color: oklch(35.9% 0.171 270.0);

Tailwind

colors: {
  custom: {
    50: '#7064b5',
    500: '#1f2a94',
    950: '#000000',
  },
}

SCSS

$custom: #1f2a94;
$custom-light: #7064b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2a94",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 148
  },
  "hsl": {
    "h": 234.359,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35863,
    "c": 0.17077,
    "h": 270
  },
  "luminance": 0.04085
}

Semantic roles & 50–950 ramp

primary

#1F2A94

secondary

#BEB451

accent

#D83FE8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090511

muted

#7B7A80

Preview Lab

Preview with #1F2A94

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

Preview Lab → · Contrast checker → · Palette generator →