#1C138F#1C138F

#1C138F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.186 H 271.6°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#1C138F
RGB	rgb(28, 19, 143)
HSL	hsl(244, 77%, 32%)
HSV	hsv(244, 87%, 56%)
CMYK	cmyk(80.4%, 86.7%, 0%, 43.9%)
CIE-LAB	lab(18.78, 45.43, -64.44)
CIE-LCH	lch(18.78, 78.84, 305.19°)
OKLab	oklab(32.01% 0.0053 -0.1864)
OKLCH	oklch(32.01% 0.186 271.6)
XYZ	xyz(5.6680, 2.6952, 26.2028)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C138F #868F13

analogous

#13488F #1C138F #5A138F

triadic

#1C138F #8F1C13 #138F1C

tetradic

#1C138F #8F1348 #868F13 #138F5A

square

#1C138F #8F1348 #868F13 #138F5A

split-complementary

#1C138F #8F5A13 #488F13

monochromatic

#070523 #110C59 #1C138F #271AC5 #4438E5

Accessibility & contrast

On white

13.64

#1C138F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1C138F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C138F

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C138F	#FFFFFF	#000000	##FFFFFF
##1C138F	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003392

Deuteranopia (green-blind)

#00278D

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c138f;
/* rgb */ color: rgb(28, 19, 143);
/* oklch */ color: oklch(32.0% 0.186 271.6);

Tailwind

colors: {
  custom: {
    50: '#7056b1',
    500: '#1c138f',
    950: '#000000',
  },
}

SCSS

$custom: #1c138f;
$custom-light: #7056b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c138f",
  "rgb": {
    "r": 28,
    "g": 19,
    "b": 143
  },
  "hsl": {
    "h": 244.355,
    "s": 76.543,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32005,
    "c": 0.18648,
    "h": 271.6
  },
  "luminance": 0.02696
}

Semantic roles & 50–950 ramp

primary

#1C138F

secondary

#B9C33B

accent

#F335E5

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C138F

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

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