#1E4580#1E4580

#1E4580 is a dark, moderate blue. Relative luminance 0.061; OKLCH L 39.6% C 0.109 H 258.7°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#1E4580
RGB	rgb(30, 69, 128)
HSL	hsl(216, 62%, 31%)
HSV	hsv(216, 77%, 50%)
CMYK	cmyk(76.6%, 46.1%, 0%, 49.8%)
CIE-LAB	lab(29.64, 8.36, -37.32)
CIE-LCH	lch(29.64, 38.24, 282.63°)
OKLab	oklab(39.59% -0.0214 -0.1069)
OKLCH	oklch(39.59% 0.109 258.7)
XYZ	xyz(6.5584, 6.0900, 21.2477)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4580 #80591E

analogous

#1E7680 #1E4580 #281E80

triadic

#1E4580 #801E45 #45801E

tetradic

#1E4580 #801E76 #80591E #1E8028

square

#1E4580 #801E76 #80591E #1E8028

split-complementary

#1E4580 #80281E #76801E

monochromatic

#07101D #122A4E #1E4580 #2A60B2 #457ED3

Accessibility & contrast

On white

9.47

#1E4580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1E4580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4580

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4580	#FFFFFF	#000000	##FFFFFF
##1E4580	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274B82

Deuteranopia (green-blind)

#14427F

Tritanopia (blue-blind)

#00535C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1e4580;
/* rgb */ color: rgb(30, 69, 128);
/* oklch */ color: oklch(39.6% 0.109 258.7);

Tailwind

colors: {
  custom: {
    50: '#6878a5',
    500: '#1e4580',
    950: '#000000',
  },
}

SCSS

$custom: #1e4580;
$custom-light: #6878a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4580",
  "rgb": {
    "r": 30,
    "g": 69,
    "b": 128
  },
  "hsl": {
    "h": 216.122,
    "s": 62.025,
    "l": 30.98
  },
  "oklch": {
    "l": 0.39594,
    "c": 0.10901,
    "h": 258.7
  },
  "luminance": 0.06091
}

Semantic roles & 50–950 ramp

primary

#1E4580

secondary

#B38847

accent

#A443E5

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1E4580

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

Preview Lab → · Contrast checker → · Palette generator →