#1E3572#1E3572

#1E3572 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.8% C 0.109 H 265.5°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#1E3572
RGB	rgb(30, 53, 114)
HSL	hsl(224, 58%, 28%)
HSV	hsv(224, 74%, 45%)
CMYK	cmyk(73.7%, 53.5%, 0%, 55.3%)
CIE-LAB	lab(23.79, 13.87, -37.89)
CIE-LCH	lch(23.79, 40.35, 290.10°)
OKLab	oklab(34.8% -0.0086 -0.1089)
OKLCH	oklch(34.8% 0.109 265.5)
XYZ	xyz(4.8447, 4.0366, 16.4402)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3572 #725B1E

analogous

#1E5F72 #1E3572 #311E72

triadic

#1E3572 #721E35 #35721E

tetradic

#1E3572 #721E5F #725B1E #1E7231

square

#1E3572 #721E5F #725B1E #1E7231

split-complementary

#1E3572 #72311E #5F721E

monochromatic

#060B18 #111E42 #1E3572 #2B4CA2 #3E65CC

Accessibility & contrast

On white

11.62

#1E3572 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#1E3572 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3572

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3572	#FFFFFF	#000000	##FFFFFF
##1E3572	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#103D74

Deuteranopia (green-blind)

#003571

Tritanopia (blue-blind)

#00434E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1e3572;
/* rgb */ color: rgb(30, 53, 114);
/* oklch */ color: oklch(34.8% 0.109 265.5);

Tailwind

colors: {
  custom: {
    50: '#666b9b',
    500: '#1e3572',
    950: '#000000',
  },
}

SCSS

$custom: #1e3572;
$custom-light: #666b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3572",
  "rgb": {
    "r": 30,
    "g": 53,
    "b": 114
  },
  "hsl": {
    "h": 223.571,
    "s": 58.333,
    "l": 28.235
  },
  "oklch": {
    "l": 0.34798,
    "c": 0.10921,
    "h": 265.5
  },
  "luminance": 0.04037
}

Semantic roles & 50–950 ramp

primary

#1E3572

secondary

#A68C46

accent

#B746E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1E3572

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

Preview Lab → · Contrast checker → · Palette generator →