#1E397F#1E397F

#1E397F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.123 H 265.0°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#1E397F
RGB	rgb(30, 57, 127)
HSL	hsl(223, 62%, 31%)
HSV	hsv(223, 76%, 50%)
CMYK	cmyk(76.4%, 55.1%, 0%, 50.2%)
CIE-LAB	lab(25.96, 16.29, -42.62)
CIE-LCH	lch(25.96, 45.62, 290.92°)
OKLab	oklab(36.76% -0.0108 -0.1227)
OKLCH	oklch(36.76% 0.123 265)
XYZ	xyz(5.8280, 4.7339, 20.6812)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E397F #7F641E

analogous

#1E697F #1E397F #331E7F

triadic

#1E397F #7F1E39 #397F1E

tetradic

#1E397F #7F1E69 #7F641E #1E7F33

square

#1E397F #7F1E69 #7F641E #1E7F33

split-complementary

#1E397F #7F331E #697F1E

monochromatic

#070D1C #12234D #1E397F #2A4FB1 #446CD3

Accessibility & contrast

On white

10.79

#1E397F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1E397F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E397F

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E397F	#FFFFFF	#000000	##FFFFFF
##1E397F	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054281

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1e397f;
/* rgb */ color: rgb(30, 57, 127);
/* oklch */ color: oklch(36.8% 0.123 265.0);

Tailwind

colors: {
  custom: {
    50: '#696ea5',
    500: '#1e397f',
    950: '#000000',
  },
}

SCSS

$custom: #1e397f;
$custom-light: #696ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#1e397f",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 127
  },
  "hsl": {
    "h": 223.299,
    "s": 61.783,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36759,
    "c": 0.12317,
    "h": 265
  },
  "luminance": 0.04735
}

Semantic roles & 50–950 ramp

primary

#1E397F

secondary

#B29447

accent

#B843E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1E397F

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

Preview Lab → · Contrast checker → · Palette generator →