#1E398A#1E398A

#1E398A is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.139 H 265.9°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#1E398A
RGB	rgb(30, 57, 138)
HSL	hsl(225, 64%, 33%)
HSV	hsv(225, 78%, 54%)
CMYK	cmyk(78.3%, 58.7%, 0%, 45.9%)
CIE-LAB	lab(26.84, 20.70, -48.06)
CIE-LCH	lch(26.84, 52.33, 293.30°)
OKLab	oklab(37.7% -0.01 -0.1387)
OKLCH	oklch(37.7% 0.139 265.9)
XYZ	xyz(6.5844, 5.0365, 24.6650)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E398A #8A6F1E

analogous

#1E6F8A #1E398A #391E8A

triadic

#1E398A #8A1E39 #398A1E

tetradic

#1E398A #8A1E6F #8A6F1E #1E8A39

square

#1E398A #8A1E6F #8A6F1E #1E8A39

split-complementary

#1E398A #8A391E #6F8A1E

monochromatic

#080F25 #132458 #1E398A #294EBC #4B6ED8

Accessibility & contrast

On white

10.46

#1E398A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1E398A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E398A

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E398A	#FFFFFF	#000000	##FFFFFF
##1E398A	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458D

Deuteranopia (green-blind)

#003B88

Tritanopia (blue-blind)

#004D5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e398a;
/* rgb */ color: rgb(30, 57, 138);
/* oklch */ color: oklch(37.7% 0.139 265.9);

Tailwind

colors: {
  custom: {
    50: '#6b6ead',
    500: '#1e398a',
    950: '#000000',
  },
}

SCSS

$custom: #1e398a;
$custom-light: #6b6ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1e398a",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 138
  },
  "hsl": {
    "h": 225,
    "s": 64.286,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37695,
    "c": 0.13906,
    "h": 265.9
  },
  "luminance": 0.05037
}

Semantic roles & 50–950 ramp

primary

#1E398A

secondary

#BA9E4A

accent

#BE41E7

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #1E398A

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

Preview Lab → · Contrast checker → · Palette generator →