#1E398B#1E398B

#1E398B is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.8% C 0.140 H 265.9°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#1E398B
RGB	rgb(30, 57, 139)
HSL	hsl(225, 64%, 33%)
HSV	hsv(225, 78%, 55%)
CMYK	cmyk(78.4%, 59%, 0%, 45.5%)
CIE-LAB	lab(26.92, 21.10, -48.55)
CIE-LCH	lch(26.92, 52.93, 293.49°)
OKLab	oklab(37.78% -0.0099 -0.1401)
OKLCH	oklch(37.78% 0.14 265.9)
XYZ	xyz(6.6571, 5.0656, 25.0480)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E398B #8B701E

analogous

#1E6F8B #1E398B #3A1E8B

triadic

#1E398B #8B1E39 #398B1E

tetradic

#1E398B #8B1E6F #8B701E #1E8B3A

square

#1E398B #8B1E6F #8B701E #1E8B3A

split-complementary

#1E398B #8B3A1E #6F8B1E

monochromatic

#081026 #132459 #1E398B #294EBD #4B6ED8

Accessibility & contrast

On white

10.43

#1E398B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1E398B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E398B

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E398B	#FFFFFF	#000000	##FFFFFF
##1E398B	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458E

Deuteranopia (green-blind)

#003B89

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1e398b;
/* rgb */ color: rgb(30, 57, 139);
/* oklch */ color: oklch(37.8% 0.140 265.9);

Tailwind

colors: {
  custom: {
    50: '#6c6eae',
    500: '#1e398b',
    950: '#000000',
  },
}

SCSS

$custom: #1e398b;
$custom-light: #6c6eae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e398b",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 139
  },
  "hsl": {
    "h": 225.138,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37782,
    "c": 0.14048,
    "h": 265.9
  },
  "luminance": 0.05066
}

Semantic roles & 50–950 ramp

primary

#1E398B

secondary

#BB9F4A

accent

#BE40E7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1E398B

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

Preview Lab → · Contrast checker → · Palette generator →