#1E3090#1E3090

#1E3090 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.159 H 268.6°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#1E3090
RGB	rgb(30, 48, 144)
HSL	hsl(231, 66%, 34%)
HSV	hsv(231, 79%, 56%)
CMYK	cmyk(79.2%, 66.7%, 0%, 43.5%)
CIE-LAB	lab(24.96, 29.21, -54.84)
CIE-LCH	lch(24.96, 62.14, 298.04°)
OKLab	oklab(36.46% -0.004 -0.1587)
OKLCH	oklch(36.46% 0.159 268.6)
XYZ	xyz(6.6247, 4.4028, 26.8808)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3090 #907E1E

analogous

#1E6990 #1E3090 #451E90

triadic

#1E3090 #901E30 #30901E

tetradic

#1E3090 #901E69 #907E1E #1E9045

square

#1E3090 #901E69 #907E1E #1E9045

split-complementary

#1E3090 #90451E #69901E

monochromatic

#090E2B #131F5D #1E3090 #2941C3 #4E64DA

Accessibility & contrast

On white

11.17

#1E3090 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1E3090 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3090

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3090	#FFFFFF	#000000	##FFFFFF
##1E3090	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00368E

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1e3090;
/* rgb */ color: rgb(30, 48, 144);
/* oklch */ color: oklch(36.5% 0.159 268.6);

Tailwind

colors: {
  custom: {
    50: '#6e68b1',
    500: '#1e3090',
    950: '#000000',
  },
}

SCSS

$custom: #1e3090;
$custom-light: #6e68b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3090",
  "rgb": {
    "r": 30,
    "g": 48,
    "b": 144
  },
  "hsl": {
    "h": 230.526,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36465,
    "c": 0.15876,
    "h": 268.6
  },
  "luminance": 0.04404
}

Semantic roles & 50–950 ramp

primary

#1E3090

secondary

#BDAB4D

accent

#CE3FE8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1E3090

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

Preview Lab → · Contrast checker → · Palette generator →