#1E3F9D#1E3F9D

#1E3F9D is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.158 H 265.1°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#1E3F9D
RGB	rgb(30, 63, 157)
HSL	hsl(224, 68%, 37%)
HSV	hsv(224, 81%, 62%)
CMYK	cmyk(80.9%, 59.9%, 0%, 38.4%)
CIE-LAB	lab(30.07, 24.11, -54.45)
CIE-LCH	lch(30.07, 59.55, 293.88°)
OKLab	oklab(40.61% -0.0134 -0.1574)
OKLCH	oklch(40.61% 0.158 265.1)
XYZ	xyz(8.3966, 6.2644, 32.6584)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E3F9D #9D7C1E

analogous

#1E7F9D #1E3F9D #3C1E9D

triadic

#1E3F9D #9D1E3F #3F9D1E

tetradic

#1E3F9D #9D1E7F #9D7C1E #1E9D3C

square

#1E3F9D #9D1E7F #9D7C1E #1E9D3C

split-complementary

#1E3F9D #9D3C1E #7F9D1E

monochromatic

#0A1636 #142A6A #1E3F9D #2854D0 #577ADF

Accessibility & contrast

On white

9.32

#1E3F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1E3F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E3F9D

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E3F9D	#FFFFFF	#000000	##FFFFFF
##1E3F9D	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1e3f9d;
/* rgb */ color: rgb(30, 63, 157);
/* oklch */ color: oklch(40.6% 0.158 265.1);

Tailwind

colors: {
  custom: {
    50: '#7073bb',
    500: '#1e3f9d',
    950: '#000000',
  },
}

SCSS

$custom: #1e3f9d;
$custom-light: #7073bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1e3f9d",
  "rgb": {
    "r": 30,
    "g": 63,
    "b": 157
  },
  "hsl": {
    "h": 224.409,
    "s": 67.914,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40608,
    "c": 0.15793,
    "h": 265.1
  },
  "luminance": 0.06265
}

Semantic roles & 50–950 ramp

primary

#1E3F9D

secondary

#C2A654

accent

#BE3DEB

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1E3F9D

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

Preview Lab → · Contrast checker → · Palette generator →