#1E2588#1E2588

#1E2588 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.161 H 271.0°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#1E2588
RGB	rgb(30, 37, 136)
HSL	hsl(236, 64%, 33%)
HSV	hsv(236, 78%, 53%)
CMYK	cmyk(77.9%, 72.8%, 0%, 46.7%)
CIE-LAB	lab(21.49, 33.41, -55.57)
CIE-LCH	lch(21.49, 64.84, 301.02°)
OKLab	oklab(33.7% 0.0028 -0.1609)
OKLCH	oklch(33.7% 0.161 271)
XYZ	xyz(5.6394, 3.3761, 23.6422)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E2588 #88811E

analogous

#1E5A88 #1E2588 #4C1E88

triadic

#1E2588 #881E25 #25881E

tetradic

#1E2588 #881E5A #88811E #1E884C

square

#1E2588 #881E5A #88811E #1E884C

split-complementary

#1E2588 #884C1E #5A881E

monochromatic

#080A24 #131756 #1E2588 #2933BA #4953D7

Accessibility & contrast

On white

12.53

#1E2588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1E2588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E2588

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E2588	#FFFFFF	#000000	##FFFFFF
##1E2588	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398B

Deuteranopia (green-blind)

#002E86

Tritanopia (blue-blind)

#004154

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1e2588;
/* rgb */ color: rgb(30, 37, 136);
/* oklch */ color: oklch(33.7% 0.161 271.0);

Tailwind

colors: {
  custom: {
    50: '#6d60ac',
    500: '#1e2588',
    950: '#000000',
  },
}

SCSS

$custom: #1e2588;
$custom-light: #6d60ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e2588",
  "rgb": {
    "r": 30,
    "g": 37,
    "b": 136
  },
  "hsl": {
    "h": 236.038,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33704,
    "c": 0.16088,
    "h": 271
  },
  "luminance": 0.03377
}

Semantic roles & 50–950 ramp

primary

#1E2588

secondary

#B9B249

accent

#DC41E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1E2588

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

Preview Lab → · Contrast checker → · Palette generator →