#1E399C#1E399C

#1E399C is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.164 H 266.6°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#1E399C
RGB	rgb(30, 57, 156)
HSL	hsl(227, 68%, 36%)
HSV	hsv(227, 81%, 61%)
CMYK	cmyk(80.8%, 63.5%, 0%, 38.8%)
CIE-LAB	lab(28.38, 27.79, -56.59)
CIE-LCH	lch(28.38, 63.05, 296.15°)
OKLab	oklab(39.33% -0.0097 -0.1637)
OKLCH	oklch(39.33% 0.164 266.6)
XYZ	xyz(7.9972, 5.6016, 32.1058)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E399C #9C811E

analogous

#1E789C #1E399C #421E9C

triadic

#1E399C #9C1E39 #399C1E

tetradic

#1E399C #9C1E78 #9C811E #1E9C42

square

#1E399C #9C1E78 #9C811E #1E9C42

split-complementary

#1E399C #9C421E #789C1E

monochromatic

#0A1335 #142669 #1E399C #284CCF #5673DE

Accessibility & contrast

On white

9.90

#1E399C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#1E399C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E399C

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E399C	#FFFFFF	#000000	##FFFFFF
##1E399C	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499F

Deuteranopia (green-blind)

#003D9A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1e399c;
/* rgb */ color: rgb(30, 57, 156);
/* oklch */ color: oklch(39.3% 0.164 266.6);

Tailwind

colors: {
  custom: {
    50: '#706fba',
    500: '#1e399c',
    950: '#000000',
  },
}

SCSS

$custom: #1e399c;
$custom-light: #706fba;
$custom-dark: #000000;

JSON

{
  "hex": "#1e399c",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 156
  },
  "hsl": {
    "h": 227.143,
    "s": 67.742,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39327,
    "c": 0.16403,
    "h": 266.6
  },
  "luminance": 0.05603
}

Semantic roles & 50–950 ramp

primary

#1E399C

secondary

#C2AA54

accent

#C53DEB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1E399C

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

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