#1E4E9B#1E4E9B

#1E4E9B is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.7% C 0.136 H 259.6°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#1E4E9B
RGB	rgb(30, 78, 155)
HSL	hsl(217, 68%, 36%)
HSV	hsv(217, 81%, 61%)
CMYK	cmyk(80.6%, 49.7%, 0%, 39.2%)
CIE-LAB	lab(34.17, 13.11, -46.59)
CIE-LCH	lch(34.17, 48.39, 285.71°)
OKLab	oklab(43.67% -0.0245 -0.134)
OKLCH	oklch(43.67% 0.136 259.6)
XYZ	xyz(9.1740, 8.0903, 32.0821)
Luminance	0.0809 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4E9B #9B6B1E

analogous

#1E8D9B #1E4E9B #2D1E9B

triadic

#1E4E9B #9B1E4E #4E9B1E

tetradic

#1E4E9B #9B1E8D #9B6B1E #1E9B2D

square

#1E4E9B #9B1E8D #9B6B1E #1E9B2D

split-complementary

#1E4E9B #9B2D1E #8D9B1E

monochromatic

#0A1A34 #143468 #1E4E9B #2868CE #558ADE

Accessibility & contrast

On white

8.02

#1E4E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1E4E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4E9B

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4E9B	#FFFFFF	#000000	##FFFFFF
##1E4E9B	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21569E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1e4e9b;
/* rgb */ color: rgb(30, 78, 155);
/* oklch */ color: oklch(43.7% 0.136 259.6);

Tailwind

colors: {
  custom: {
    50: '#6f7eb9',
    500: '#1e4e9b',
    950: '#000000',
  },
}

SCSS

$custom: #1e4e9b;
$custom-light: #6f7eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4e9b",
  "rgb": {
    "r": 30,
    "g": 78,
    "b": 155
  },
  "hsl": {
    "h": 216.96,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.43669,
    "c": 0.13618,
    "h": 259.6
  },
  "luminance": 0.08091
}

Semantic roles & 50–950 ramp

primary

#1E4E9B

secondary

#C29753

accent

#A83DEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1E4E9B

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

Preview Lab → · Contrast checker → · Palette generator →