#1F246B#1F246B

#1F246B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.6% C 0.122 H 273.6°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F246B
RGB	rgb(31, 36, 107)
HSL	hsl(236, 55%, 27%)
HSV	hsv(236, 71%, 42%)
CMYK	cmyk(71%, 66.4%, 0%, 58%)
CIE-LAB	lab(18.43, 23.31, -42.09)
CIE-LCH	lch(18.43, 48.11, 298.98°)
OKLab	oklab(30.62% 0.0077 -0.1214)
OKLCH	oklch(30.62% 0.122 273.6)
XYZ	xyz(3.8489, 2.6142, 14.2088)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F246B #6B661F

analogous

#1F4A6B #1F246B #401F6B

triadic

#1F246B #6B1F24 #246B1F

tetradic

#1F246B #6B1F4A #6B661F #1F6B40

square

#1F246B #6B1F4A #6B661F #1F6B40

split-complementary

#1F246B #6B401F #4A6B1F

monochromatic

#070818 #11143C #1F246B #2D349A #3D47C7

Accessibility & contrast

On white

13.79

#1F246B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1F246B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F246B

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F246B	#FFFFFF	#000000	##FFFFFF
##1F246B	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306D

Deuteranopia (green-blind)

#002A6A

Tritanopia (blue-blind)

#003643

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f246b;
/* rgb */ color: rgb(31, 36, 107);
/* oklch */ color: oklch(30.6% 0.122 273.6);

Tailwind

colors: {
  custom: {
    50: '#665e96',
    500: '#1f246b',
    950: '#000000',
  },
}

SCSS

$custom: #1f246b;
$custom-light: #665e96;
$custom-dark: #000000;

JSON

{
  "hex": "#1f246b",
  "rgb": {
    "r": 31,
    "g": 36,
    "b": 107
  },
  "hsl": {
    "h": 236.053,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30619,
    "c": 0.12165,
    "h": 273.6
  },
  "luminance": 0.02615
}

Semantic roles & 50–950 ramp

primary

#1F246B

secondary

#9F9947

accent

#D549DE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1F246B

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

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