#1E388A#1E388A

#1E388A is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.140 H 266.2°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#1E388A
RGB	rgb(30, 56, 138)
HSL	hsl(226, 64%, 33%)
HSV	hsv(226, 78%, 54%)
CMYK	cmyk(78.3%, 59.4%, 0%, 45.9%)
CIE-LAB	lab(26.56, 21.40, -48.51)
CIE-LCH	lch(26.56, 53.02, 293.80°)
OKLab	oklab(37.49% -0.0093 -0.14)
OKLCH	oklch(37.49% 0.14 266.2)
XYZ	xyz(6.5354, 4.9386, 24.6486)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E388A #8A701E

analogous

#1E6E8A #1E388A #3A1E8A

triadic

#1E388A #8A1E38 #388A1E

tetradic

#1E388A #8A1E6E #8A701E #1E8A3A

square

#1E388A #8A1E6E #8A701E #1E8A3A

split-complementary

#1E388A #8A3A1E #6E8A1E

monochromatic

#080F25 #132458 #1E388A #294CBC #4B6DD8

Accessibility & contrast

On white

10.56

#1E388A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1E388A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E388A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E388A	#FFFFFF	#000000	##FFFFFF
##1E388A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448D

Deuteranopia (green-blind)

#003A88

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e388a;
/* rgb */ color: rgb(30, 56, 138);
/* oklch */ color: oklch(37.5% 0.140 266.2);

Tailwind

colors: {
  custom: {
    50: '#6c6ead',
    500: '#1e388a',
    950: '#000000',
  },
}

SCSS

$custom: #1e388a;
$custom-light: #6c6ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1e388a",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 138
  },
  "hsl": {
    "h": 225.556,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37485,
    "c": 0.14036,
    "h": 266.2
  },
  "luminance": 0.04939
}

Semantic roles & 50–950 ramp

primary

#1E388A

secondary

#BA9F4A

accent

#BF41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1E388A

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

Preview Lab → · Contrast checker → · Palette generator →