#1E478B#1E478B

#1E478B is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.9% C 0.122 H 260.0°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#1E478B
RGB	rgb(30, 71, 139)
HSL	hsl(217, 64%, 33%)
HSV	hsv(217, 78%, 55%)
CMYK	cmyk(78.4%, 48.9%, 0%, 45.5%)
CIE-LAB	lab(30.99, 11.43, -41.96)
CIE-LCH	lch(30.99, 43.49, 285.23°)
OKLab	oklab(40.87% -0.0213 -0.1205)
OKLCH	oklch(40.87% 0.122 260)
XYZ	xyz(7.4472, 6.6457, 25.3114)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E478B #8B621E

analogous

#1E7D8B #1E478B #2B1E8B

triadic

#1E478B #8B1E47 #478B1E

tetradic

#1E478B #8B1E7D #8B621E #1E8B2B

square

#1E478B #8B1E7D #8B621E #1E8B2B

split-complementary

#1E478B #8B2B1E #7D8B1E

monochromatic

#081426 #132D59 #1E478B #2961BD #4B80D8

Accessibility & contrast

On white

9.02

#1E478B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1E478B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E478B

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E478B	#FFFFFF	#000000	##FFFFFF
##1E478B	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214E8E

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1e478b;
/* rgb */ color: rgb(30, 71, 139);
/* oklch */ color: oklch(40.9% 0.122 260.0);

Tailwind

colors: {
  custom: {
    50: '#6b79ad',
    500: '#1e478b',
    950: '#000000',
  },
}

SCSS

$custom: #1e478b;
$custom-light: #6b79ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e478b",
  "rgb": {
    "r": 30,
    "g": 71,
    "b": 139
  },
  "hsl": {
    "h": 217.431,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.4087,
    "c": 0.12237,
    "h": 260
  },
  "luminance": 0.06647
}

Semantic roles & 50–950 ramp

primary

#1E478B

secondary

#BB904A

accent

#A940E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1E478B

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

Preview Lab → · Contrast checker → · Palette generator →