#1C137D#1C137D

#1C137D is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.8% C 0.165 H 273.6°. Best body text is #FFFFFF at 14.60:1 contrast (WCAG AA passes).

Color values

HEX	#1C137D
RGB	rgb(28, 19, 125)
HSL	hsl(245, 74%, 28%)
HSV	hsv(245, 85%, 49%)
CMYK	cmyk(77.6%, 84.8%, 0%, 51%)
CIE-LAB	lab(16.47, 39.75, -56.93)
CIE-LCH	lch(16.47, 69.43, 304.93°)
OKLab	oklab(29.75% 0.0103 -0.1646)
OKLCH	oklch(29.75% 0.165 273.6)
XYZ	xyz(4.4122, 2.1928, 19.5888)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C137D #747D13

analogous

#133F7D #1C137D #51137D

triadic

#1C137D #7D1C13 #137D1C

tetradic

#1C137D #7D133F #747D13 #137D51

square

#1C137D #7D133F #747D13 #137D51

split-complementary

#1C137D #7D5113 #3F7D13

monochromatic

#06041B #100B48 #1C137D #281BB2 #3B2CDF

Accessibility & contrast

On white

14.60

#1C137D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1C137D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C137D

14.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C137D	#FFFFFF	#000000	##FFFFFF
##1C137D	1.00	14.60	1.44	14.60
#FFFFFF	14.60	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E80

Deuteranopia (green-blind)

#00247B

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1c137d;
/* rgb */ color: rgb(28, 19, 125);
/* oklch */ color: oklch(29.8% 0.165 273.6);

Tailwind

colors: {
  custom: {
    50: '#6b54a4',
    500: '#1c137d',
    950: '#000000',
  },
}

SCSS

$custom: #1c137d;
$custom-light: #6b54a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c137d",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 125
  },
  "hsl": {
    "h": 245.094,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.29751,
    "c": 0.16497,
    "h": 273.6
  },
  "luminance": 0.02193
}

Semantic roles & 50–950 ramp

primary

#1C137D

secondary

#A8B339

accent

#F038E1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1C137D

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

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