#1E2583#1E2583

#1E2583 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.2% C 0.154 H 271.3°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#1E2583
RGB	rgb(30, 37, 131)
HSL	hsl(236, 63%, 32%)
HSV	hsv(236, 77%, 51%)
CMYK	cmyk(77.1%, 71.8%, 0%, 48.6%)
CIE-LAB	lab(20.97, 31.57, -53.29)
CIE-LCH	lch(20.97, 61.94, 300.65°)
OKLab	oklab(33.17% 0.0035 -0.1542)
OKLCH	oklch(33.17% 0.154 271.3)
XYZ	xyz(5.2923, 3.2373, 21.8143)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2583 #837C1E

analogous

#1E5883 #1E2583 #4A1E83

triadic

#1E2583 #831E25 #25831E

tetradic

#1E2583 #831E58 #837C1E #1E834A

square

#1E2583 #831E58 #837C1E #1E834A

split-complementary

#1E2583 #834A1E #58831E

monochromatic

#07091F #131751 #1E2583 #2933B5 #4750D5

Accessibility & contrast

On white

12.75

#1E2583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1E2583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2583

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2583	#FFFFFF	#000000	##FFFFFF
##1E2583	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003786

Deuteranopia (green-blind)

#002E81

Tritanopia (blue-blind)

#003F51

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1e2583;
/* rgb */ color: rgb(30, 37, 131);
/* oklch */ color: oklch(33.2% 0.154 271.3);

Tailwind

colors: {
  custom: {
    50: '#6b60a8',
    500: '#1e2583',
    950: '#000000',
  },
}

SCSS

$custom: #1e2583;
$custom-light: #6b60a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2583",
  "rgb": {
    "r": 30,
    "g": 37,
    "b": 131
  },
  "hsl": {
    "h": 235.842,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33172,
    "c": 0.15424,
    "h": 271.3
  },
  "luminance": 0.03238
}

Semantic roles & 50–950 ramp

primary

#1E2583

secondary

#B6AE47

accent

#DA42E6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1E2583

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

Preview Lab → · Contrast checker → · Palette generator →