#1C138D#1C138D

#1C138D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.8% C 0.184 H 271.8°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#1C138D
RGB	rgb(28, 19, 141)
HSL	hsl(244, 76%, 31%)
HSV	hsv(244, 87%, 55%)
CMYK	cmyk(80.1%, 86.5%, 0%, 44.7%)
CIE-LAB	lab(18.52, 44.82, -63.62)
CIE-LCH	lch(18.52, 77.82, 305.16°)
OKLab	oklab(31.75% 0.0059 -0.184)
OKLCH	oklch(31.75% 0.184 271.8)
XYZ	xyz(5.5179, 2.6351, 25.4120)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C138D #848D13

analogous

#13478D #1C138D #59138D

triadic

#1C138D #8D1C13 #138D1C

tetradic

#1C138D #8D1347 #848D13 #138D59

square

#1C138D #8D1347 #848D13 #138D59

split-complementary

#1C138D #8D5913 #478D13

monochromatic

#070421 #110C57 #1C138D #271AC3 #4336E4

Accessibility & contrast

On white

13.75

#1C138D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1C138D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C138D

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C138D	#FFFFFF	#000000	##FFFFFF
##1C138D	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00278B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c138d;
/* rgb */ color: rgb(28, 19, 141);
/* oklch */ color: oklch(31.8% 0.184 271.8);

Tailwind

colors: {
  custom: {
    50: '#6f56b0',
    500: '#1c138d',
    950: '#000000',
  },
}

SCSS

$custom: #1c138d;
$custom-light: #6f56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c138d",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 141
  },
  "hsl": {
    "h": 244.426,
    "s": 76.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.31752,
    "c": 0.18413,
    "h": 271.8
  },
  "luminance": 0.02636
}

Semantic roles & 50–950 ramp

primary

#1C138D

secondary

#B7C13B

accent

#F335E5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C138D

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

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