#1E39A7#1E39A7

#1E39A7 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.179 H 266.8°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#1E39A7
RGB	rgb(30, 57, 167)
HSL	hsl(228, 70%, 39%)
HSV	hsv(228, 82%, 65%)
CMYK	cmyk(82%, 65.9%, 0%, 34.5%)
CIE-LAB	lab(29.39, 32.01, -61.60)
CIE-LCH	lch(29.39, 69.42, 297.45°)
OKLab	oklab(40.38% -0.0099 -0.1784)
OKLCH	oklch(40.38% 0.179 266.8)
XYZ	xyz(8.9712, 5.9912, 37.2353)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E39A7 #A78C1E

analogous

#1E7DA7 #1E39A7 #471EA7

triadic

#1E39A7 #A71E39 #39A71E

tetradic

#1E39A7 #A71E7D #A78C1E #1EA747

square

#1E39A7 #A71E7D #A78C1E #1EA747

split-complementary

#1E39A7 #A7471E #7DA71E

monochromatic

#0B163F #152773 #1E39A7 #2A4CD9 #5D78E2

Accessibility & contrast

On white

9.55

#1E39A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1E39A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E39A7

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E39A7	#FFFFFF	#000000	##FFFFFF
##1E39A7	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAA

Deuteranopia (green-blind)

#003FA5

Tritanopia (blue-blind)

#00566B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1e39a7;
/* rgb */ color: rgb(30, 57, 167);
/* oklch */ color: oklch(40.4% 0.179 266.8);

Tailwind

colors: {
  custom: {
    50: '#736fc2',
    500: '#1e39a7',
    950: '#000000',
  },
}

SCSS

$custom: #1e39a7;
$custom-light: #736fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1e39a7",
  "rgb": {
    "r": 30,
    "g": 57,
    "b": 167
  },
  "hsl": {
    "h": 228.175,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40377,
    "c": 0.17867,
    "h": 266.8
  },
  "luminance": 0.05992
}

Semantic roles & 50–950 ramp

primary

#1E39A7

secondary

#C6B15B

accent

#C93BEC

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #1E39A7

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

Preview Lab → · Contrast checker → · Palette generator →