#1F3296#1F3296

#1F3296 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.164 H 268.4°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#1F3296
RGB	rgb(31, 50, 150)
HSL	hsl(230, 66%, 35%)
HSV	hsv(230, 79%, 59%)
CMYK	cmyk(79.3%, 66.7%, 0%, 41.2%)
CIE-LAB	lab(26.08, 30.27, -56.70)
CIE-LCH	lch(26.08, 64.27, 298.09°)
OKLab	oklab(37.47% -0.0045 -0.1641)
OKLCH	oklch(37.47% 0.164 268.4)
XYZ	xyz(7.2088, 4.7737, 29.3897)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3296 #96831F

analogous

#1F6D96 #1F3296 #471F96

triadic

#1F3296 #961F32 #32961F

tetradic

#1F3296 #961F6D #96831F #1F9647

square

#1F3296 #961F6D #96831F #1F9647

split-complementary

#1F3296 #96471F #6D961F

monochromatic

#0A1031 #152163 #1F3296 #2943C9 #5469DC

Accessibility & contrast

On white

10.74

#1F3296 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1F3296 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3296

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3296	#FFFFFF	#000000	##FFFFFF
##1F3296	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004399

Deuteranopia (green-blind)

#003894

Tritanopia (blue-blind)

#004D5F

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f3296;
/* rgb */ color: rgb(31, 50, 150);
/* oklch */ color: oklch(37.5% 0.164 268.4);

Tailwind

colors: {
  custom: {
    50: '#706ab6',
    500: '#1f3296',
    950: '#000000',
  },
}

SCSS

$custom: #1f3296;
$custom-light: #706ab6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3296",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 150
  },
  "hsl": {
    "h": 230.42,
    "s": 65.746,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37472,
    "c": 0.16416,
    "h": 268.4
  },
  "luminance": 0.04775
}

Semantic roles & 50–950 ramp

primary

#1F3296

secondary

#BFAE52

accent

#CE3FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1F3296

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

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