#1E238C#1E238C

#1E238C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.168 H 271.1°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1E238C
RGB	rgb(30, 35, 140)
HSL	hsl(237, 65%, 33%)
HSV	hsv(237, 79%, 55%)
CMYK	cmyk(78.6%, 75%, 0%, 45.1%)
CIE-LAB	lab(21.47, 36.10, -58.10)
CIE-LCH	lch(21.47, 68.40, 301.86°)
OKLab	oklab(33.82% 0.0032 -0.1682)
OKLCH	oklch(33.82% 0.168 271.1)
XYZ	xyz(5.8685, 3.3709, 25.1472)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E238C #8C871E

analogous

#1E5A8C #1E238C #501E8C

triadic

#1E238C #8C1E23 #238C1E

tetradic

#1E238C #8C1E5A #8C871E #1E8C50

square

#1E238C #8C1E5A #8C871E #1E8C50

split-complementary

#1E238C #8C501E #5A8C1E

monochromatic

#080A27 #13165A #1E238C #2930BE #4C52D9

Accessibility & contrast

On white

12.54

#1E238C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1E238C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E238C

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E238C	#FFFFFF	#000000	##FFFFFF
##1E238C	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1e238c;
/* rgb */ color: rgb(30, 35, 140);
/* oklch */ color: oklch(33.8% 0.168 271.1);

Tailwind

colors: {
  custom: {
    50: '#6e5faf',
    500: '#1e238c',
    950: '#000000',
  },
}

SCSS

$custom: #1e238c;
$custom-light: #6e5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#1e238c",
  "rgb": {
    "r": 30,
    "g": 35,
    "b": 140
  },
  "hsl": {
    "h": 237.273,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33818,
    "c": 0.16825,
    "h": 271.1
  },
  "luminance": 0.03372
}

Semantic roles & 50–950 ramp

primary

#1E238C

secondary

#BBB64B

accent

#E040E8

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #1E238C

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

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