#1E3774#1E3774

#1E3774 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.110 H 264.6°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#1E3774
RGB	rgb(30, 55, 116)
HSL	hsl(223, 59%, 29%)
HSV	hsv(223, 74%, 45%)
CMYK	cmyk(74.1%, 52.6%, 0%, 54.5%)
CIE-LAB	lab(24.54, 13.26, -37.96)
CIE-LCH	lch(24.54, 40.21, 289.26°)
OKLab	oklab(35.42% -0.0102 -0.109)
OKLCH	oklch(35.42% 0.11 264.6)
XYZ	xyz(5.0529, 4.2688, 17.0773)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3774 #745B1E

analogous

#1E6274 #1E3774 #301E74

triadic

#1E3774 #741E37 #37741E

tetradic

#1E3774 #741E62 #745B1E #1E7430

square

#1E3774 #741E62 #745B1E #1E7430

split-complementary

#1E3774 #74301E #62741E

monochromatic

#060C18 #112043 #1E3774 #2B4EA5 #3F68CD

Accessibility & contrast

On white

11.33

#1E3774 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1E3774 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3774

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3774	#FFFFFF	#000000	##FFFFFF
##1E3774	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133E76

Deuteranopia (green-blind)

#003773

Tritanopia (blue-blind)

#004550

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e3774;
/* rgb */ color: rgb(30, 55, 116);
/* oklch */ color: oklch(35.4% 0.110 264.6);

Tailwind

colors: {
  custom: {
    50: '#666d9c',
    500: '#1e3774',
    950: '#000000',
  },
}

SCSS

$custom: #1e3774;
$custom-light: #666d9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3774",
  "rgb": {
    "r": 30,
    "g": 55,
    "b": 116
  },
  "hsl": {
    "h": 222.558,
    "s": 58.904,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35415,
    "c": 0.10951,
    "h": 264.6
  },
  "luminance": 0.04269
}

Semantic roles & 50–950 ramp

primary

#1E3774

secondary

#A88B46

accent

#B546E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #1E3774

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

Preview Lab → · Contrast checker → · Palette generator →