#1E258B#1E258B

#1E258B is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.0% C 0.165 H 270.8°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#1E258B
RGB	rgb(30, 37, 139)
HSL	hsl(236, 64%, 33%)
HSV	hsv(236, 78%, 55%)
CMYK	cmyk(78.4%, 73.4%, 0%, 45.5%)
CIE-LAB	lab(21.81, 34.51, -56.92)
CIE-LCH	lch(21.81, 66.56, 301.23°)
OKLab	oklab(34.03% 0.0024 -0.1648)
OKLCH	oklch(34.03% 0.165 270.8)
XYZ	xyz(5.8556, 3.4626, 24.7808)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E258B #8B841E

analogous

#1E5B8B #1E258B #4D1E8B

triadic

#1E258B #8B1E25 #258B1E

tetradic

#1E258B #8B1E5B #8B841E #1E8B4D

square

#1E258B #8B1E5B #8B841E #1E8B4D

split-complementary

#1E258B #8B4D1E #5B8B1E

monochromatic

#080A26 #131859 #1E258B #2932BD #4B54D8

Accessibility & contrast

On white

12.41

#1E258B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1E258B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E258B

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E258B	#FFFFFF	#000000	##FFFFFF
##1E258B	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#002F89

Tritanopia (blue-blind)

#004255

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1e258b;
/* rgb */ color: rgb(30, 37, 139);
/* oklch */ color: oklch(34.0% 0.165 270.8);

Tailwind

colors: {
  custom: {
    50: '#6e60ae',
    500: '#1e258b',
    950: '#000000',
  },
}

SCSS

$custom: #1e258b;
$custom-light: #6e60ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e258b",
  "rgb": {
    "r": 30,
    "g": 37,
    "b": 139
  },
  "hsl": {
    "h": 236.147,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34027,
    "c": 0.16482,
    "h": 270.8
  },
  "luminance": 0.03463
}

Semantic roles & 50–950 ramp

primary

#1E258B

secondary

#BBB34A

accent

#DD40E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1E258B

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

Preview Lab → · Contrast checker → · Palette generator →