#1E3088#1E3088

#1E3088 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.148 H 268.6°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#1E3088
RGB	rgb(30, 48, 136)
HSL	hsl(230, 64%, 33%)
HSV	hsv(230, 78%, 53%)
CMYK	cmyk(77.9%, 64.7%, 0%, 46.7%)
CIE-LAB	lab(24.22, 26.13, -51.10)
CIE-LCH	lch(24.22, 57.39, 297.08°)
OKLab	oklab(35.69% -0.0037 -0.1477)
OKLCH	oklch(35.69% 0.148 268.6)
XYZ	xyz(6.0348, 4.1668, 23.7740)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3088 #88761E

analogous

#1E6588 #1E3088 #411E88

triadic

#1E3088 #881E30 #30881E

tetradic

#1E3088 #881E65 #88761E #1E8841

square

#1E3088 #881E65 #88761E #1E8841

split-complementary

#1E3088 #88411E #65881E

monochromatic

#080D24 #131E56 #1E3088 #2942BA #4961D7

Accessibility & contrast

On white

11.45

#1E3088 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1E3088 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3088

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3088	#FFFFFF	#000000	##FFFFFF
##1E3088	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8B

Deuteranopia (green-blind)

#003586

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e3088;
/* rgb */ color: rgb(30, 48, 136);
/* oklch */ color: oklch(35.7% 0.148 268.6);

Tailwind

colors: {
  custom: {
    50: '#6c68ac',
    500: '#1e3088',
    950: '#000000',
  },
}

SCSS

$custom: #1e3088;
$custom-light: #6c68ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3088",
  "rgb": {
    "r": 30,
    "g": 48,
    "b": 136
  },
  "hsl": {
    "h": 229.811,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35688,
    "c": 0.14778,
    "h": 268.6
  },
  "luminance": 0.04167
}

Semantic roles & 50–950 ramp

primary

#1E3088

secondary

#B9A649

accent

#CB41E7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1E3088

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

Preview Lab → · Contrast checker → · Palette generator →