#1E289B#1E289B

#1E289B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.2% C 0.182 H 269.6°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#1E289B
RGB	rgb(30, 40, 155)
HSL	hsl(235, 68%, 36%)
HSV	hsv(235, 81%, 61%)
CMYK	cmyk(80.6%, 74.2%, 0%, 39.2%)
CIE-LAB	lab(24.19, 38.41, -62.88)
CIE-LCH	lch(24.19, 73.68, 301.42°)
OKLab	oklab(36.24% -0.0012 -0.1821)
OKLCH	oklch(36.24% 0.182 269.6)
XYZ	xyz(7.2086, 4.1593, 31.4269)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E289B #9B911E

analogous

#1E679B #1E289B #531E9B

triadic

#1E289B #9B1E28 #289B1E

tetradic

#1E289B #9B1E67 #9B911E #1E9B53

square

#1E289B #9B1E67 #9B911E #1E9B53

split-complementary

#1E289B #9B531E #679B1E

monochromatic

#0A0E34 #141B68 #1E289B #2835CE #5560DE

Accessibility & contrast

On white

11.46

#1E289B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1E289B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E289B

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E289B	#FFFFFF	#000000	##FFFFFF
##1E289B	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003399

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1e289b;
/* rgb */ color: rgb(30, 40, 155);
/* oklch */ color: oklch(36.2% 0.182 269.6);

Tailwind

colors: {
  custom: {
    50: '#7263ba',
    500: '#1e289b',
    950: '#000000',
  },
}

SCSS

$custom: #1e289b;
$custom-light: #7263ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1e289b",
  "rgb": {
    "r": 30,
    "g": 40,
    "b": 155
  },
  "hsl": {
    "h": 235.2,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36244,
    "c": 0.18214,
    "h": 269.6
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary

#1E289B

secondary

#C2B953

accent

#DD3DEA

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#090512

muted

#7B7981

Preview Lab

Preview with #1E289B

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

Preview Lab → · Contrast checker → · Palette generator →