#1E4B9B#1E4B9B

#1E4B9B is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.0% C 0.140 H 260.9°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#1E4B9B
RGB	rgb(30, 75, 155)
HSL	hsl(218, 68%, 36%)
HSV	hsv(218, 81%, 61%)
CMYK	cmyk(80.6%, 51.6%, 0%, 39.2%)
CIE-LAB	lab(33.29, 15.13, -48.00)
CIE-LCH	lch(33.29, 50.33, 287.50°)
OKLab	oklab(43% -0.0221 -0.1382)
OKLCH	oklch(43% 0.14 260.9)
XYZ	xyz(8.9657, 7.6737, 32.0126)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4B9B #9B6E1E

analogous

#1E8A9B #1E4B9B #301E9B

triadic

#1E4B9B #9B1E4B #4B9B1E

tetradic

#1E4B9B #9B1E8A #9B6E1E #1E9B30

square

#1E4B9B #9B1E8A #9B6E1E #1E9B30

split-complementary

#1E4B9B #9B301E #8A9B1E

monochromatic

#0A1934 #143268 #1E4B9B #2864CE #5587DE

Accessibility & contrast

On white

8.28

#1E4B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1E4B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4B9B

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4B9B	#FFFFFF	#000000	##FFFFFF
##1E4B9B	1.00	8.28	2.53	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18549E

Deuteranopia (green-blind)

#004999

Tritanopia (blue-blind)

#005E6B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1e4b9b;
/* rgb */ color: rgb(30, 75, 155);
/* oklch */ color: oklch(43.0% 0.140 260.9);

Tailwind

colors: {
  custom: {
    50: '#6f7cb9',
    500: '#1e4b9b',
    950: '#000000',
  },
}

SCSS

$custom: #1e4b9b;
$custom-light: #6f7cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4b9b",
  "rgb": {
    "r": 30,
    "g": 75,
    "b": 155
  },
  "hsl": {
    "h": 218.4,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.42998,
    "c": 0.13995,
    "h": 260.9
  },
  "luminance": 0.07675
}

Semantic roles & 50–950 ramp

primary

#1E4B9B

secondary

#C29A53

accent

#AC3DEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1E4B9B

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

Preview Lab → · Contrast checker → · Palette generator →