#1E289D#1E289D

#1E289D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.5% C 0.185 H 269.5°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#1E289D
RGB	rgb(30, 40, 157)
HSL	hsl(235, 68%, 37%)
HSV	hsv(235, 81%, 62%)
CMYK	cmyk(80.9%, 74.5%, 0%, 38.4%)
CIE-LAB	lab(24.41, 39.11, -63.74)
CIE-LCH	lch(24.41, 74.79, 301.53°)
OKLab	oklab(36.46% -0.0015 -0.1847)
OKLCH	oklch(36.46% 0.185 269.5)
XYZ	xyz(7.3779, 4.2271, 32.3188)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E289D #9D931E

analogous

#1E689D #1E289D #541E9D

triadic

#1E289D #9D1E28 #289D1E

tetradic

#1E289D #9D1E68 #9D931E #1E9D54

square

#1E289D #9D1E68 #9D931E #1E9D54

split-complementary

#1E289D #9D541E #689D1E

monochromatic

#0A0E36 #141B6A #1E289D #2835D0 #5761DF

Accessibility & contrast

On white

11.38

#1E289D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1E289D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E289D

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E289D	#FFFFFF	#000000	##FFFFFF
##1E289D	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A0

Deuteranopia (green-blind)

#00349B

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e289d;
/* rgb */ color: rgb(30, 40, 157);
/* oklch */ color: oklch(36.5% 0.185 269.5);

Tailwind

colors: {
  custom: {
    50: '#7263bb',
    500: '#1e289d',
    950: '#000000',
  },
}

SCSS

$custom: #1e289d;
$custom-light: #7263bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1e289d",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 157
  },
  "hsl": {
    "h": 235.276,
    "s": 67.914,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36464,
    "c": 0.18467,
    "h": 269.5
  },
  "luminance": 0.04228
}

Semantic roles & 50–950 ramp

primary

#1E289D

secondary

#C2BA54

accent

#DD3DEB

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #1E289D

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

Preview Lab → · Contrast checker → · Palette generator →