#1E308B#1E308B

#1E308B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.0% C 0.152 H 268.6°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#1E308B
RGB	rgb(30, 48, 139)
HSL	hsl(230, 64%, 33%)
HSV	hsv(230, 78%, 55%)
CMYK	cmyk(78.4%, 65.5%, 0%, 45.5%)
CIE-LAB	lab(24.49, 27.29, -52.51)
CIE-LCH	lch(24.49, 59.18, 297.46°)
OKLab	oklab(35.98% -0.0038 -0.1519)
OKLCH	oklch(35.98% 0.152 268.6)
XYZ	xyz(6.2510, 4.2533, 24.9126)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E308B #8B791E

analogous

#1E668B #1E308B #421E8B

triadic

#1E308B #8B1E30 #308B1E

tetradic

#1E308B #8B1E66 #8B791E #1E8B42

square

#1E308B #8B1E66 #8B791E #1E8B42

split-complementary

#1E308B #8B421E #668B1E

monochromatic

#080D26 #131F59 #1E308B #2941BD #4B62D8

Accessibility & contrast

On white

11.35

#1E308B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1E308B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E308B

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E308B	#FFFFFF	#000000	##FFFFFF
##1E308B	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1e308b;
/* rgb */ color: rgb(30, 48, 139);
/* oklch */ color: oklch(36.0% 0.152 268.6);

Tailwind

colors: {
  custom: {
    50: '#6c68ae',
    500: '#1e308b',
    950: '#000000',
  },
}

SCSS

$custom: #1e308b;
$custom-light: #6c68ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1e308b",
  "rgb": {
    "r": 30,
    "g": 48,
    "b": 139
  },
  "hsl": {
    "h": 230.092,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35977,
    "c": 0.15193,
    "h": 268.6
  },
  "luminance": 0.04254
}

Semantic roles & 50–950 ramp

primary

#1E308B

secondary

#BBA84A

accent

#CC40E7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1E308B

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

Preview Lab → · Contrast checker → · Palette generator →