#1E388C#1E388C

#1E388C is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.143 H 266.3°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#1E388C
RGB	rgb(30, 56, 140)
HSL	hsl(226, 65%, 33%)
HSV	hsv(226, 79%, 55%)
CMYK	cmyk(78.6%, 60%, 0%, 45.1%)
CIE-LAB	lab(26.73, 22.19, -49.48)
CIE-LCH	lch(26.73, 54.23, 294.15°)
OKLab	oklab(37.66% -0.0092 -0.1429)
OKLCH	oklch(37.66% 0.143 266.3)
XYZ	xyz(6.6816, 4.9971, 25.4182)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E388C #8C721E

analogous

#1E6F8C #1E388C #3B1E8C

triadic

#1E388C #8C1E38 #388C1E

tetradic

#1E388C #8C1E6F #8C721E #1E8C3B

square

#1E388C #8C1E6F #8C721E #1E8C3B

split-complementary

#1E388C #8C3B1E #6F8C1E

monochromatic

#081027 #13245A #1E388C #294CBE #4C6DD9

Accessibility & contrast

On white

10.50

#1E388C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1E388C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E388C

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E388C	#FFFFFF	#000000	##FFFFFF
##1E388C	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448F

Deuteranopia (green-blind)

#003A8A

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1e388c;
/* rgb */ color: rgb(30, 56, 140);
/* oklch */ color: oklch(37.7% 0.143 266.3);

Tailwind

colors: {
  custom: {
    50: '#6c6eae',
    500: '#1e388c',
    950: '#000000',
  },
}

SCSS

$custom: #1e388c;
$custom-light: #6c6eae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e388c",
  "rgb": {
    "r": 30,
    "g": 56,
    "b": 140
  },
  "hsl": {
    "h": 225.818,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.37663,
    "c": 0.14319,
    "h": 266.3
  },
  "luminance": 0.04998
}

Semantic roles & 50–950 ramp

primary

#1E388C

secondary

#BBA14B

accent

#C040E8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1E388C

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

Preview Lab → · Contrast checker → · Palette generator →