#1E33A0#1E33A0

#1E33A0 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.6% C 0.176 H 267.9°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#1E33A0
RGB	rgb(30, 51, 160)
HSL	hsl(230, 68%, 37%)
HSV	hsv(230, 81%, 63%)
CMYK	cmyk(81.3%, 68.1%, 0%, 37.3%)
CIE-LAB	lab(27.24, 33.29, -60.90)
CIE-LCH	lch(27.24, 69.40, 298.67°)
OKLab	oklab(38.6% -0.0066 -0.1764)
OKLCH	oklch(38.6% 0.176 267.9)
XYZ	xyz(8.0622, 5.1808, 33.8260)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E33A0 #A08B1E

analogous

#1E74A0 #1E33A0 #4A1EA0

triadic

#1E33A0 #A01E33 #33A01E

tetradic

#1E33A0 #A01E74 #A08B1E #1EA04A

square

#1E33A0 #A01E74 #A08B1E #1EA04A

split-complementary

#1E33A0 #A04A1E #74A01E

monochromatic

#0B1239 #14236C #1E33A0 #2843D4 #596EE0

Accessibility & contrast

On white

10.31

#1E33A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1E33A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E33A0

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E33A0	#FFFFFF	#000000	##FFFFFF
##1E33A0	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A3

Deuteranopia (green-blind)

#003A9E

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1e33a0;
/* rgb */ color: rgb(30, 51, 160);
/* oklch */ color: oklch(38.6% 0.176 267.9);

Tailwind

colors: {
  custom: {
    50: '#726abd',
    500: '#1e33a0',
    950: '#000000',
  },
}

SCSS

$custom: #1e33a0;
$custom-light: #726abd;
$custom-dark: #000000;

JSON

{
  "hex": "#1e33a0",
  "rgb": {
    "r": 30,
    "g": 51,
    "b": 160
  },
  "hsl": {
    "h": 230.308,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38603,
    "c": 0.17649,
    "h": 267.9
  },
  "luminance": 0.05182
}

Semantic roles & 50–950 ramp

primary

#1E33A0

secondary

#C4B256

accent

#CF3DEB

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1E33A0

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

Preview Lab → · Contrast checker → · Palette generator →