#1E399E#1E399E

#1E399E is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.167 H 266.7°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#1E399E
RGB	rgb(30, 57, 158)
HSL	hsl(227, 68%, 37%)
HSV	hsv(227, 81%, 62%)
CMYK	cmyk(81%, 63.9%, 0%, 38%)
CIE-LAB	lab(28.56, 28.56, -57.52)
CIE-LCH	lch(28.56, 64.22, 296.41°)
OKLab	oklab(39.52% -0.0097 -0.1664)
OKLCH	oklch(39.52% 0.167 266.7)
XYZ	xyz(8.1679, 5.6699, 33.0050)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E399E #9E831E

analogous

#1E799E #1E399E #431E9E

triadic

#1E399E #9E1E39 #399E1E

tetradic

#1E399E #9E1E79 #9E831E #1E9E43

square

#1E399E #9E1E79 #9E831E #1E9E43

split-complementary

#1E399E #9E431E #799E1E

monochromatic

#0A1437 #14266B #1E399E #284CD1 #5774DF

Accessibility & contrast

On white

9.84

#1E399E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1E399E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E399E

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E399E	#FFFFFF	#000000	##FFFFFF
##1E399E	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003D9C

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1e399e;
/* rgb */ color: rgb(30, 57, 158);
/* oklch */ color: oklch(39.5% 0.167 266.7);

Tailwind

colors: {
  custom: {
    50: '#716fbc',
    500: '#1e399e',
    950: '#000000',
  },
}

SCSS

$custom: #1e399e;
$custom-light: #716fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1e399e",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 158
  },
  "hsl": {
    "h": 227.344,
    "s": 68.085,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39515,
    "c": 0.16672,
    "h": 266.7
  },
  "luminance": 0.05671
}

Semantic roles & 50–950 ramp

primary

#1E399E

secondary

#C3AC55

accent

#C63DEB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1E399E

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

Preview Lab → · Contrast checker → · Palette generator →