#1E317B#1E317B

#1E317B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.7% C 0.128 H 268.0°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#1E317B
RGB	rgb(30, 49, 123)
HSL	hsl(228, 61%, 30%)
HSV	hsv(228, 76%, 48%)
CMYK	cmyk(75.6%, 60.2%, 0%, 51.8%)
CIE-LAB	lab(23.35, 20.31, -44.34)
CIE-LCH	lch(23.35, 48.77, 294.61°)
OKLab	oklab(34.69% -0.0044 -0.1279)
OKLCH	oklch(34.69% 0.128 268)
XYZ	xyz(5.2076, 3.9022, 19.2138)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E317B #7B681E

analogous

#1E5F7B #1E317B #3A1E7B

triadic

#1E317B #7B1E31 #317B1E

tetradic

#1E317B #7B1E5F #7B681E #1E7B3A

square

#1E317B #7B1E5F #7B681E #1E7B3A

split-complementary

#1E317B #7B3A1E #5F7B1E

monochromatic

#060A19 #121D4A #1E317B #2A45AC #4260D1

Accessibility & contrast

On white

11.79

#1E317B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1E317B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E317B

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E317B	#FFFFFF	#000000	##FFFFFF
##1E317B	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7D

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1e317b;
/* rgb */ color: rgb(30, 49, 123);
/* oklch */ color: oklch(34.7% 0.128 268.0);

Tailwind

colors: {
  custom: {
    50: '#6868a2',
    500: '#1e317b',
    950: '#000000',
  },
}

SCSS

$custom: #1e317b;
$custom-light: #6868a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e317b",
  "rgb": {
    "r": 30,
    "g": 49,
    "b": 123
  },
  "hsl": {
    "h": 227.742,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.34687,
    "c": 0.12799,
    "h": 268
  },
  "luminance": 0.03903
}

Semantic roles & 50–950 ramp

primary

#1E317B

secondary

#AE9946

accent

#C344E4

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1E317B

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

Preview Lab → · Contrast checker → · Palette generator →