#1E399B#1E399B

#1E399B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.2% C 0.163 H 266.6°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#1E399B
RGB	rgb(30, 57, 155)
HSL	hsl(227, 68%, 36%)
HSV	hsv(227, 81%, 61%)
CMYK	cmyk(80.6%, 63.2%, 0%, 39.2%)
CIE-LAB	lab(28.30, 27.40, -56.13)
CIE-LCH	lch(28.30, 62.46, 296.02°)
OKLab	oklab(39.23% -0.0097 -0.1624)
OKLCH	oklch(39.23% 0.163 266.6)
XYZ	xyz(7.9129, 5.5679, 31.6617)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E399B #9B801E

analogous

#1E789B #1E399B #421E9B

triadic

#1E399B #9B1E39 #399B1E

tetradic

#1E399B #9B1E78 #9B801E #1E9B42

square

#1E399B #9B1E78 #9B801E #1E9B42

split-complementary

#1E399B #9B421E #789B1E

monochromatic

#0A1334 #142668 #1E399B #284CCE #5573DE

Accessibility & contrast

On white

9.93

#1E399B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#1E399B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E399B

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E399B	#FFFFFF	#000000	##FFFFFF
##1E399B	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#003D99

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1e399b;
/* rgb */ color: rgb(30, 57, 155);
/* oklch */ color: oklch(39.2% 0.163 266.6);

Tailwind

colors: {
  custom: {
    50: '#706fb9',
    500: '#1e399b',
    950: '#000000',
  },
}

SCSS

$custom: #1e399b;
$custom-light: #706fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e399b",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 155
  },
  "hsl": {
    "h": 227.04,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.39233,
    "c": 0.16267,
    "h": 266.6
  },
  "luminance": 0.05569
}

Semantic roles & 50–950 ramp

primary

#1E399B

secondary

#C2AA53

accent

#C53DEA

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1E399B

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

Preview Lab → · Contrast checker → · Palette generator →