#1E397B#1E397B

#1E397B is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.4% C 0.117 H 264.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#1E397B
RGB	rgb(30, 57, 123)
HSL	hsl(223, 61%, 30%)
HSV	hsv(223, 76%, 48%)
CMYK	cmyk(75.6%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(25.66, 14.68, -40.59)
CIE-LCH	lch(25.66, 43.16, 289.88°)
OKLab	oklab(36.43% -0.0112 -0.1167)
OKLCH	oklch(36.43% 0.117 264.5)
XYZ	xyz(5.5724, 4.6317, 19.3354)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E397B #7B601E

analogous

#1E677B #1E397B #321E7B

triadic

#1E397B #7B1E39 #397B1E

tetradic

#1E397B #7B1E67 #7B601E #1E7B32

square

#1E397B #7B1E67 #7B601E #1E7B32

split-complementary

#1E397B #7B321E #677B1E

monochromatic

#060B19 #12224A #1E397B #2A50AC #426CD1

Accessibility & contrast

On white

10.90

#1E397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1E397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E397B

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E397B	#FFFFFF	#000000	##FFFFFF
##1E397B	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E417D

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1e397b;
/* rgb */ color: rgb(30, 57, 123);
/* oklch */ color: oklch(36.4% 0.117 264.5);

Tailwind

colors: {
  custom: {
    50: '#686ea2',
    500: '#1e397b',
    950: '#000000',
  },
}

SCSS

$custom: #1e397b;
$custom-light: #686ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e397b",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 222.581,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.36431,
    "c": 0.11728,
    "h": 264.5
  },
  "luminance": 0.04632
}

Semantic roles & 50–950 ramp

primary

#1E397B

secondary

#AE9046

accent

#B544E4

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1E397B

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

Preview Lab → · Contrast checker → · Palette generator →