#1E4783#1E4783

#1E4783 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.3% C 0.111 H 258.2°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#1E4783
RGB	rgb(30, 71, 131)
HSL	hsl(216, 63%, 32%)
HSV	hsv(216, 77%, 51%)
CMYK	cmyk(77.1%, 45.8%, 0%, 48.6%)
CIE-LAB	lab(30.45, 8.21, -37.88)
CIE-LCH	lch(30.45, 38.76, 282.22°)
OKLab	oklab(40.28% -0.0227 -0.1085)
OKLCH	oklch(40.28% 0.111 258.2)
XYZ	xyz(6.8839, 6.4204, 22.3448)
Luminance	0.0642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4783 #835A1E

analogous

#1E7A83 #1E4783 #281E83

triadic

#1E4783 #831E47 #47831E

tetradic

#1E4783 #831E7A #835A1E #1E8328

square

#1E4783 #831E7A #835A1E #1E8328

split-complementary

#1E4783 #83281E #7A831E

monochromatic

#07111F #132C51 #1E4783 #2962B5 #4780D5

Accessibility & contrast

On white

9.19

#1E4783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1E4783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4783

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4783	#FFFFFF	#000000	##FFFFFF
##1E4783	1.00	9.19	2.28	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294D85

Deuteranopia (green-blind)

#154382

Tritanopia (blue-blind)

#00555E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1e4783;
/* rgb */ color: rgb(30, 71, 131);
/* oklch */ color: oklch(40.3% 0.111 258.2);

Tailwind

colors: {
  custom: {
    50: '#6979a7',
    500: '#1e4783',
    950: '#000000',
  },
}

SCSS

$custom: #1e4783;
$custom-light: #6979a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4783",
  "rgb": {
    "r": 30,
    "g": 71,
    "b": 131
  },
  "hsl": {
    "h": 215.644,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40284,
    "c": 0.11086,
    "h": 258.2
  },
  "luminance": 0.06421
}

Semantic roles & 50–950 ramp

primary

#1E4783

secondary

#B68947

accent

#A342E6

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1E4783

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

Preview Lab → · Contrast checker → · Palette generator →