#1E178C#1E178C

#1E178C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.179 H 272.4°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#1E178C
RGB	rgb(30, 23, 140)
HSL	hsl(244, 72%, 32%)
HSV	hsv(244, 84%, 55%)
CMYK	cmyk(78.6%, 83.6%, 0%, 45.1%)
CIE-LAB	lab(19.15, 42.76, -61.95)
CIE-LCH	lch(19.15, 75.27, 304.61°)
OKLab	oklab(32.18% 0.0077 -0.1792)
OKLCH	oklch(32.18% 0.179 272.4)
XYZ	xyz(5.5739, 2.7817, 25.0490)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E178C #858C17

analogous

#174B8C #1E178C #59178C

triadic

#1E178C #8C1E17 #178C1E

tetradic

#1E178C #8C174B #858C17 #178C59

square

#1E178C #8C174B #858C17 #178C59

split-complementary

#1E178C #8C5917 #4B8C17

monochromatic

#070623 #130E57 #1E178C #2920C1 #483EDF

Accessibility & contrast

On white

13.49

#1E178C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1E178C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E178C

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E178C	#FFFFFF	#000000	##FFFFFF
##1E178C	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348F

Deuteranopia (green-blind)

#00298A

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1e178c;
/* rgb */ color: rgb(30, 23, 140);
/* oklch */ color: oklch(32.2% 0.179 272.4);

Tailwind

colors: {
  custom: {
    50: '#6f58af',
    500: '#1e178c',
    950: '#000000',
  },
}

SCSS

$custom: #1e178c;
$custom-light: #6f58af;
$custom-dark: #000000;

JSON

{
  "hex": "#1e178c",
  "rgb": {
    "r": 30,
    "g": 23,
    "b": 140
  },
  "hsl": {
    "h": 243.59,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32183,
    "c": 0.1794,
    "h": 272.4
  },
  "luminance": 0.02782
}

Semantic roles & 50–950 ramp

primary

#1E178C

secondary

#B8BF3F

accent

#EF39E4

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #1E178C

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

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