#1F396C#1F396C

#1F396C is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.094 H 262.3°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#1F396C
RGB	rgb(31, 57, 108)
HSL	hsl(220, 55%, 27%)
HSV	hsv(220, 71%, 42%)
CMYK	cmyk(71.3%, 47.2%, 0%, 57.6%)
CIE-LAB	lab(24.64, 8.80, -32.68)
CIE-LCH	lch(24.64, 33.85, 285.06°)
OKLab	oklab(35.32% -0.0126 -0.0935)
OKLCH	oklch(35.32% 0.094 262.3)
XYZ	xyz(4.7340, 4.2998, 14.7649)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F396C #6C521F

analogous

#1F606C #1F396C #2B1F6C

triadic

#1F396C #6C1F39 #396C1F

tetradic

#1F396C #6C1F60 #6C521F #1F6C2B

square

#1F396C #6C1F60 #6C521F #1F6C2B

split-complementary

#1F396C #6C2B1F #606C1F

monochromatic

#070D18 #11203C #1F396C #2D529C #3E6CC8

Accessibility & contrast

On white

11.29

#1F396C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1F396C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F396C

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F396C	#FFFFFF	#000000	##FFFFFF
##1F396C	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203E6E

Deuteranopia (green-blind)

#12376B

Tritanopia (blue-blind)

#00454D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1f396c;
/* rgb */ color: rgb(31, 57, 108);
/* oklch */ color: oklch(35.3% 0.094 262.3);

Tailwind

colors: {
  custom: {
    50: '#656e96',
    500: '#1f396c',
    950: '#000000',
  },
}

SCSS

$custom: #1f396c;
$custom-light: #656e96;
$custom-dark: #000000;

JSON

{
  "hex": "#1f396c",
  "rgb": {
    "r": 31,
    "g": 57,
    "b": 108
  },
  "hsl": {
    "h": 219.74,
    "s": 55.396,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35323,
    "c": 0.09431,
    "h": 262.3
  },
  "luminance": 0.043
}

Semantic roles & 50–950 ramp

primary

#1F396C

secondary

#A08247

accent

#AC49DF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #1F396C

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

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