#1E4588#1E4588

#1E4588 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.2% C 0.121 H 260.5°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#1E4588
RGB	rgb(30, 69, 136)
HSL	hsl(218, 64%, 33%)
HSV	hsv(218, 78%, 53%)
CMYK	cmyk(77.9%, 49.3%, 0%, 46.7%)
CIE-LAB	lab(30.18, 11.59, -41.41)
CIE-LCH	lch(30.18, 43.00, 285.63°)
OKLab	oklab(40.18% -0.02 -0.1189)
OKLCH	oklch(40.18% 0.121 260.5)
XYZ	xyz(7.1059, 6.3090, 24.1310)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4588 #88611E

analogous

#1E7A88 #1E4588 #2C1E88

triadic

#1E4588 #881E45 #45881E

tetradic

#1E4588 #881E7A #88611E #1E882C

square

#1E4588 #881E7A #88611E #1E882C

split-complementary

#1E4588 #882C1E #7A881E

monochromatic

#081224 #132C56 #1E4588 #295EBA #497ED7

Accessibility & contrast

On white

9.28

#1E4588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1E4588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4588

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4588	#FFFFFF	#000000	##FFFFFF
##1E4588	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204C8A

Deuteranopia (green-blind)

#004387

Tritanopia (blue-blind)

#005560

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1e4588;
/* rgb */ color: rgb(30, 69, 136);
/* oklch */ color: oklch(40.2% 0.121 260.5);

Tailwind

colors: {
  custom: {
    50: '#6a78ab',
    500: '#1e4588',
    950: '#000000',
  },
}

SCSS

$custom: #1e4588;
$custom-light: #6a78ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4588",
  "rgb": {
    "r": 30,
    "g": 69,
    "b": 136
  },
  "hsl": {
    "h": 217.925,
    "s": 63.855,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40184,
    "c": 0.1206,
    "h": 260.5
  },
  "luminance": 0.0631
}

Semantic roles & 50–950 ramp

primary

#1E4588

secondary

#B99049

accent

#AA41E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #1E4588

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

Preview Lab → · Contrast checker → · Palette generator →