#1E278B#1E278B

#1E278B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.4% C 0.163 H 270.5°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#1E278B
RGB	rgb(30, 39, 139)
HSL	hsl(235, 64%, 33%)
HSV	hsv(235, 78%, 55%)
CMYK	cmyk(78.4%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(22.27, 33.24, -56.16)
CIE-LCH	lch(22.27, 65.26, 300.62°)
OKLab	oklab(34.36% 0.0014 -0.1626)
OKLCH	oklch(34.36% 0.163 270.5)
XYZ	xyz(5.9196, 3.5905, 24.8021)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E278B #8B821E

analogous

#1E5D8B #1E278B #4B1E8B

triadic

#1E278B #8B1E27 #278B1E

tetradic

#1E278B #8B1E5D #8B821E #1E8B4B

square

#1E278B #8B1E5D #8B821E #1E8B4B

split-complementary

#1E278B #8B4B1E #5D8B1E

monochromatic

#080B26 #131959 #1E278B #2935BD #4B57D8

Accessibility & contrast

On white

12.22

#1E278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1E278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E278B

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E278B	#FFFFFF	#000000	##FFFFFF
##1E278B	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003089

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1e278b;
/* rgb */ color: rgb(30, 39, 139);
/* oklch */ color: oklch(34.4% 0.163 270.5);

Tailwind

colors: {
  custom: {
    50: '#6d61ae',
    500: '#1e278b',
    950: '#000000',
  },
}

SCSS

$custom: #1e278b;
$custom-light: #6d61ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e278b",
  "rgb": {
    "r": 30,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 235.046,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34357,
    "c": 0.1626,
    "h": 270.5
  },
  "luminance": 0.03591
}

Semantic roles & 50–950 ramp

primary

#1E278B

secondary

#BBB14A

accent

#DA40E7

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1E278B

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

Preview Lab → · Contrast checker → · Palette generator →