#1E399F#1E399F

#1E399F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.168 H 266.7°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#1E399F
RGB	rgb(30, 57, 159)
HSL	hsl(227, 68%, 37%)
HSV	hsv(227, 81%, 62%)
CMYK	cmyk(81.1%, 64.2%, 0%, 37.6%)
CIE-LAB	lab(28.65, 28.95, -57.97)
CIE-LCH	lch(28.65, 64.80, 296.53°)
OKLab	oklab(39.61% -0.0097 -0.1678)
OKLCH	oklch(39.61% 0.168 266.7)
XYZ	xyz(8.2544, 5.7045, 33.4602)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E399F #9F841E

analogous

#1E7A9F #1E399F #441E9F

triadic

#1E399F #9F1E39 #399F1E

tetradic

#1E399F #9F1E7A #9F841E #1E9F44

square

#1E399F #9F1E7A #9F841E #1E9F44

split-complementary

#1E399F #9F441E #7A9F1E

monochromatic

#0B1438 #14276C #1E399F #284BD2 #5874DF

Accessibility & contrast

On white

9.81

#1E399F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1E399F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E399F

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E399F	#FFFFFF	#000000	##FFFFFF
##1E399F	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA2

Deuteranopia (green-blind)

#003E9D

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1e399f;
/* rgb */ color: rgb(30, 57, 159);
/* oklch */ color: oklch(39.6% 0.168 266.7);

Tailwind

colors: {
  custom: {
    50: '#716fbc',
    500: '#1e399f',
    950: '#000000',
  },
}

SCSS

$custom: #1e399f;
$custom-light: #716fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1e399f",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 159
  },
  "hsl": {
    "h": 227.442,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3961,
    "c": 0.16806,
    "h": 266.7
  },
  "luminance": 0.05705
}

Semantic roles & 50–950 ramp

primary

#1E399F

secondary

#C3AC56

accent

#C73DEB

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1E399F

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

Preview Lab → · Contrast checker → · Palette generator →