#1E4288#1E4288

#1E4288 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.5% C 0.124 H 262.0°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#1E4288
RGB	rgb(30, 66, 136)
HSL	hsl(220, 64%, 33%)
HSV	hsv(220, 78%, 53%)
CMYK	cmyk(77.9%, 51.5%, 0%, 46.7%)
CIE-LAB	lab(29.28, 13.65, -42.86)
CIE-LCH	lch(29.28, 44.98, 287.67°)
OKLab	oklab(39.5% -0.0174 -0.1232)
OKLCH	oklch(39.5% 0.124 262)
XYZ	xyz(6.9260, 5.9492, 24.0711)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4288 #88641E

analogous

#1E7788 #1E4288 #2F1E88

triadic

#1E4288 #881E42 #42881E

tetradic

#1E4288 #881E77 #88641E #1E882F

square

#1E4288 #881E77 #88641E #1E882F

split-complementary

#1E4288 #882F1E #77881E

monochromatic

#081124 #132A56 #1E4288 #295ABA #497AD7

Accessibility & contrast

On white

9.59

#1E4288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#1E4288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4288

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4288	#FFFFFF	#000000	##FFFFFF
##1E4288	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184A8B

Deuteranopia (green-blind)

#004087

Tritanopia (blue-blind)

#00535E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1e4288;
/* rgb */ color: rgb(30, 66, 136);
/* oklch */ color: oklch(39.5% 0.124 262.0);

Tailwind

colors: {
  custom: {
    50: '#6a75ab',
    500: '#1e4288',
    950: '#000000',
  },
}

SCSS

$custom: #1e4288;
$custom-light: #6a75ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4288",
  "rgb": {
    "r": 30,
    "g": 66,
    "b": 136
  },
  "hsl": {
    "h": 219.623,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.39498,
    "c": 0.12445,
    "h": 262
  },
  "luminance": 0.0595
}

Semantic roles & 50–950 ramp

primary

#1E4288

secondary

#B99349

accent

#AF41E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1E4288

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

Preview Lab → · Contrast checker → · Palette generator →