#1C396F#1C396F

#1C396F is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.100 H 261.5°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#1C396F
RGB	rgb(28, 57, 111)
HSL	hsl(219, 60%, 27%)
HSV	hsv(219, 75%, 44%)
CMYK	cmyk(74.8%, 48.6%, 0%, 56.5%)
CIE-LAB	lab(24.70, 9.50, -34.51)
CIE-LCH	lch(24.70, 35.80, 285.39°)
OKLab	oklab(35.4% -0.0147 -0.0989)
OKLCH	oklch(35.4% 0.1 261.5)
XYZ	xyz(4.8102, 4.3203, 15.6162)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C396F #6F521C

analogous

#1C636F #1C396F #291C6F

triadic

#1C396F #6F1C39 #396F1C

tetradic

#1C396F #6F1C63 #6F521C #1C6F29

square

#1C396F #6F1C63 #6F521C #1C6F29

split-complementary

#1C396F #6F291C #636F1C

monochromatic

#060D18 #10203E #1C396F #2852A0 #386CCD

Accessibility & contrast

On white

11.26

#1C396F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1C396F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C396F

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C396F	#FFFFFF	#000000	##FFFFFF
##1C396F	1.00	11.26	1.86	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3F71

Deuteranopia (green-blind)

#0B376E

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1c396f;
/* rgb */ color: rgb(28, 57, 111);
/* oklch */ color: oklch(35.4% 0.100 261.5);

Tailwind

colors: {
  custom: {
    50: '#646e99',
    500: '#1c396f',
    950: '#000000',
  },
}

SCSS

$custom: #1c396f;
$custom-light: #646e99;
$custom-dark: #000000;

JSON

{
  "hex": "#1c396f",
  "rgb": {
    "r": 28,
    "g": 57,
    "b": 111
  },
  "hsl": {
    "h": 219.036,
    "s": 59.712,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35399,
    "c": 0.09998,
    "h": 261.5
  },
  "luminance": 0.04321
}

Semantic roles & 50–950 ramp

primary

#1C396F

secondary

#A48243

accent

#AC45E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1C396F

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

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