#1E387B#1E387B

#1E387B is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.2% C 0.119 H 265.0°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#1E387B
RGB	rgb(30, 56, 123)
HSL	hsl(223, 61%, 30%)
HSV	hsv(223, 76%, 48%)
CMYK	cmyk(75.6%, 54.5%, 0%, 51.8%)
CIE-LAB	lab(25.36, 15.38, -41.07)
CIE-LCH	lch(25.36, 43.85, 290.53°)
OKLab	oklab(36.21% -0.0103 -0.1182)
OKLCH	oklch(36.21% 0.119 265)
XYZ	xyz(5.5235, 4.5338, 19.3191)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E387B #7B611E

analogous

#1E667B #1E387B #331E7B

triadic

#1E387B #7B1E38 #387B1E

tetradic

#1E387B #7B1E66 #7B611E #1E7B33

square

#1E387B #7B1E66 #7B611E #1E7B33

split-complementary

#1E387B #7B331E #667B1E

monochromatic

#060B19 #12224A #1E387B #2A4EAC #426AD1

Accessibility & contrast

On white

11.01

#1E387B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1E387B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E387B

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E387B	#FFFFFF	#000000	##FFFFFF
##1E387B	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A417D

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1e387b;
/* rgb */ color: rgb(30, 56, 123);
/* oklch */ color: oklch(36.2% 0.119 265.0);

Tailwind

colors: {
  custom: {
    50: '#686ea2',
    500: '#1e387b',
    950: '#000000',
  },
}

SCSS

$custom: #1e387b;
$custom-light: #686ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e387b",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 123
  },
  "hsl": {
    "h": 223.226,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.36207,
    "c": 0.11861,
    "h": 265
  },
  "luminance": 0.04534
}

Semantic roles & 50–950 ramp

primary

#1E387B

secondary

#AE9146

accent

#B744E4

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1E387B

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

Preview Lab → · Contrast checker → · Palette generator →