#1E309F#1E309F

#1E309F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.179 H 268.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#1E309F
RGB	rgb(30, 48, 159)
HSL	hsl(232, 68%, 37%)
HSV	hsv(232, 81%, 62%)
CMYK	cmyk(81.1%, 69.8%, 0%, 37.6%)
CIE-LAB	lab(26.43, 34.86, -61.63)
CIE-LCH	lch(26.43, 70.81, 299.49°)
OKLab	oklab(37.98% -0.0051 -0.1785)
OKLCH	oklch(37.98% 0.179 268.4)
XYZ	xyz(7.8482, 4.8922, 33.3248)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E309F #9F8D1E

analogous

#1E719F #1E309F #4D1E9F

triadic

#1E309F #9F1E30 #309F1E

tetradic

#1E309F #9F1E71 #9F8D1E #1E9F4D

square

#1E309F #9F1E71 #9F8D1E #1E9F4D

split-complementary

#1E309F #9F4D1E #719F1E

monochromatic

#0B1138 #14206C #1E309F #2840D2 #586BDF

Accessibility & contrast

On white

10.61

#1E309F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1E309F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E309F

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E309F	#FFFFFF	#000000	##FFFFFF
##1E309F	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00389D

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1e309f;
/* rgb */ color: rgb(30, 48, 159);
/* oklch */ color: oklch(38.0% 0.179 268.4);

Tailwind

colors: {
  custom: {
    50: '#7268bc',
    500: '#1e309f',
    950: '#000000',
  },
}

SCSS

$custom: #1e309f;
$custom-light: #7268bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1e309f",
  "rgb": {
    "r": 30,
    "g": 48,
    "b": 159
  },
  "hsl": {
    "h": 231.628,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37978,
    "c": 0.17861,
    "h": 268.4
  },
  "luminance": 0.04893
}

Semantic roles & 50–950 ramp

primary

#1E309F

secondary

#C3B456

accent

#D33DEB

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1E309F

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

Preview Lab → · Contrast checker → · Palette generator →