#1F2C8C#1F2C8C

#1F2C8C is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.158 H 269.9°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#1F2C8C
RGB	rgb(31, 44, 140)
HSL	hsl(233, 64%, 34%)
HSV	hsv(233, 78%, 55%)
CMYK	cmyk(77.9%, 68.6%, 0%, 45.1%)
CIE-LAB	lab(23.62, 30.46, -54.56)
CIE-LCH	lch(23.62, 62.48, 299.18°)
OKLab	oklab(35.38% -0.0004 -0.1579)
OKLCH	oklch(35.38% 0.158 269.9)
XYZ	xyz(6.1978, 3.9854, 25.2485)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2C8C #8C7F1F

analogous

#1F628C #1F2C8C #481F8C

triadic

#1F2C8C #8C1F2C #2C8C1F

tetradic

#1F2C8C #8C1F62 #8C7F1F #1F8C48

square

#1F2C8C #8C1F62 #8C7F1F #1F8C48

split-complementary

#1F2C8C #8C481F #628C1F

monochromatic

#090D28 #141C5A #1F2C8C #2A3CBE #4E5ED8

Accessibility & contrast

On white

11.68

#1F2C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1F2C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2C8C

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2C8C	#FFFFFF	#000000	##FFFFFF
##1F2C8C	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8F

Deuteranopia (green-blind)

#00338A

Tritanopia (blue-blind)

#004658

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2c8c;
/* rgb */ color: rgb(31, 44, 140);
/* oklch */ color: oklch(35.4% 0.158 269.9);

Tailwind

colors: {
  custom: {
    50: '#6d65af',
    500: '#1f2c8c',
    950: '#000000',
  },
}

SCSS

$custom: #1f2c8c;
$custom-light: #6d65af;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2c8c",
  "rgb": {
    "r": 31,
    "g": 44,
    "b": 140
  },
  "hsl": {
    "h": 232.844,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35384,
    "c": 0.15787,
    "h": 269.9
  },
  "luminance": 0.03986
}

Semantic roles & 50–950 ramp

primary

#1F2C8C

secondary

#BBAD4C

accent

#D341E7

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1F2C8C

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

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