#1E3593#1E3593

#1E3593 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.7% C 0.157 H 267.4°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#1E3593
RGB	rgb(30, 53, 147)
HSL	hsl(228, 66%, 35%)
HSV	hsv(228, 80%, 58%)
CMYK	cmyk(79.6%, 63.9%, 0%, 42.4%)
CIE-LAB	lab(26.53, 27.00, -54.12)
CIE-LCH	lch(26.53, 60.48, 296.51°)
OKLab	oklab(37.71% -0.0071 -0.1565)
OKLCH	oklch(37.71% 0.157 267.4)
XYZ	xyz(7.0731, 4.9280, 28.1765)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3593 #937C1E

analogous

#1E7093 #1E3593 #411E93

triadic

#1E3593 #931E35 #35931E

tetradic

#1E3593 #931E70 #937C1E #1E9341

square

#1E3593 #931E70 #937C1E #1E9341

split-complementary

#1E3593 #93411E #70931E

monochromatic

#09102D #142360 #1E3593 #2847C6 #506BDB

Accessibility & contrast

On white

10.58

#1E3593 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1E3593 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3593

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3593	#FFFFFF	#000000	##FFFFFF
##1E3593	1.00	10.58	1.99	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004496

Deuteranopia (green-blind)

#003991

Tritanopia (blue-blind)

#004D5F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e3593;
/* rgb */ color: rgb(30, 53, 147);
/* oklch */ color: oklch(37.7% 0.157 267.4);

Tailwind

colors: {
  custom: {
    50: '#6e6cb4',
    500: '#1e3593',
    950: '#000000',
  },
}

SCSS

$custom: #1e3593;
$custom-light: #6e6cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3593",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 147
  },
  "hsl": {
    "h": 228.205,
    "s": 66.102,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37705,
    "c": 0.15671,
    "h": 267.4
  },
  "luminance": 0.04929
}

Semantic roles & 50–950 ramp

primary

#1E3593

secondary

#BEA84F

accent

#C83FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1E3593

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

Preview Lab → · Contrast checker → · Palette generator →