#1C137C#1C137C

#1C137C is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.164 H 273.7°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#1C137C
RGB	rgb(28, 19, 124)
HSL	hsl(245, 73%, 28%)
HSV	hsv(245, 85%, 49%)
CMYK	cmyk(77.4%, 84.7%, 0%, 51.4%)
CIE-LAB	lab(16.34, 39.42, -56.50)
CIE-LCH	lch(16.34, 68.89, 304.91°)
OKLab	oklab(29.63% 0.0105 -0.1634)
OKLCH	oklch(29.63% 0.164 273.7)
XYZ	xyz(4.3486, 2.1674, 19.2540)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C137C #737C13

analogous

#133E7C #1C137C #50137C

triadic

#1C137C #7C1C13 #137C1C

tetradic

#1C137C #7C133E #737C13 #137C50

square

#1C137C #7C133E #737C13 #137C50

split-complementary

#1C137C #7C5013 #3E7C13

monochromatic

#06041B #100B47 #1C137C #281BB1 #3A2BDF

Accessibility & contrast

On white

14.65

#1C137C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1C137C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C137C

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C137C	#FFFFFF	#000000	##FFFFFF
##1C137C	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7F

Deuteranopia (green-blind)

#00237A

Tritanopia (blue-blind)

#003449

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1c137c;
/* rgb */ color: rgb(28, 19, 124);
/* oklch */ color: oklch(29.6% 0.164 273.7);

Tailwind

colors: {
  custom: {
    50: '#6b54a3',
    500: '#1c137c',
    950: '#000000',
  },
}

SCSS

$custom: #1c137c;
$custom-light: #6b54a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c137c",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 124
  },
  "hsl": {
    "h": 245.143,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29628,
    "c": 0.16374,
    "h": 273.7
  },
  "luminance": 0.02168
}

Semantic roles & 50–950 ramp

primary

#1C137C

secondary

#A7B239

accent

#F038E0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1C137C

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

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