#1E288C#1E288C

#1E288C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.6% C 0.163 H 270.3°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#1E288C
RGB	rgb(30, 40, 140)
HSL	hsl(235, 65%, 33%)
HSV	hsv(235, 79%, 55%)
CMYK	cmyk(78.6%, 71.4%, 0%, 45.1%)
CIE-LAB	lab(22.61, 32.97, -56.23)
CIE-LCH	lch(22.61, 65.18, 300.38°)
OKLab	oklab(34.63% 0.0008 -0.1628)
OKLCH	oklch(34.63% 0.163 270.3)
XYZ	xyz(6.0262, 3.6864, 25.1998)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E288C #8C821E

analogous

#1E5F8C #1E288C #4B1E8C

triadic

#1E288C #8C1E28 #288C1E

tetradic

#1E288C #8C1E5F #8C821E #1E8C4B

square

#1E288C #8C1E5F #8C821E #1E8C4B

split-complementary

#1E288C #8C4B1E #5F8C1E

monochromatic

#080B27 #131A5A #1E288C #2936BE #4C59D9

Accessibility & contrast

On white

12.09

#1E288C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1E288C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E288C

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E288C	#FFFFFF	#000000	##FFFFFF
##1E288C	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8F

Deuteranopia (green-blind)

#00318A

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1e288c;
/* rgb */ color: rgb(30, 40, 140);
/* oklch */ color: oklch(34.6% 0.163 270.3);

Tailwind

colors: {
  custom: {
    50: '#6e62af',
    500: '#1e288c',
    950: '#000000',
  },
}

SCSS

$custom: #1e288c;
$custom-light: #6e62af;
$custom-dark: #000000;

JSON

{
  "hex": "#1e288c",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 140
  },
  "hsl": {
    "h": 234.545,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34632,
    "c": 0.16279,
    "h": 270.3
  },
  "luminance": 0.03687
}

Semantic roles & 50–950 ramp

primary

#1E288C

secondary

#BBB14B

accent

#D840E8

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080510

muted

#7B797F

Preview Lab

Preview with #1E288C

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

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