#1E388F#1E388F

#1E388F is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.147 H 266.5°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#1E388F
RGB	rgb(30, 56, 143)
HSL	hsl(226, 65%, 34%)
HSV	hsv(226, 79%, 56%)
CMYK	cmyk(79%, 60.8%, 0%, 43.9%)
CIE-LAB	lab(26.98, 23.38, -50.92)
CIE-LCH	lch(26.98, 56.03, 294.66°)
OKLab	oklab(37.93% -0.0091 -0.1471)
OKLCH	oklch(37.93% 0.147 266.5)
XYZ	xyz(6.9058, 5.0868, 26.5992)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E388F #8F751E

analogous

#1E718F #1E388F #3D1E8F

triadic

#1E388F #8F1E38 #388F1E

tetradic

#1E388F #8F1E71 #8F751E #1E8F3D

square

#1E388F #8F1E71 #8F751E #1E8F3D

split-complementary

#1E388F #8F3D1E #718F1E

monochromatic

#09102A #13245C #1E388F #294CC2 #4E6EDA

Accessibility & contrast

On white

10.41

#1E388F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#1E388F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E388F

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E388F	#FFFFFF	#000000	##FFFFFF
##1E388F	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1e388f;
/* rgb */ color: rgb(30, 56, 143);
/* oklch */ color: oklch(37.9% 0.147 266.5);

Tailwind

colors: {
  custom: {
    50: '#6d6eb1',
    500: '#1e388f',
    950: '#000000',
  },
}

SCSS

$custom: #1e388f;
$custom-light: #6d6eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1e388f",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 143
  },
  "hsl": {
    "h": 226.195,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37932,
    "c": 0.1474,
    "h": 266.5
  },
  "luminance": 0.05088
}

Semantic roles & 50–950 ramp

primary

#1E388F

secondary

#BCA34C

accent

#C140E8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1E388F

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

Preview Lab → · Contrast checker → · Palette generator →