#1E4D9B#1E4D9B

#1E4D9B is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.4% C 0.137 H 260.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#1E4D9B
RGB	rgb(30, 77, 155)
HSL	hsl(217, 68%, 36%)
HSV	hsv(217, 81%, 61%)
CMYK	cmyk(80.6%, 50.3%, 0%, 39.2%)
CIE-LAB	lab(33.88, 13.78, -47.06)
CIE-LCH	lch(33.88, 49.03, 286.32°)
OKLab	oklab(43.44% -0.0237 -0.1354)
OKLCH	oklch(43.44% 0.137 260.1)
XYZ	xyz(9.1035, 7.9493, 32.0586)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4D9B #9B6C1E

analogous

#1E8C9B #1E4D9B #2E1E9B

triadic

#1E4D9B #9B1E4D #4D9B1E

tetradic

#1E4D9B #9B1E8C #9B6C1E #1E9B2E

square

#1E4D9B #9B1E8C #9B6C1E #1E9B2E

split-complementary

#1E4D9B #9B2E1E #8C9B1E

monochromatic

#0A1A34 #143468 #1E4D9B #2866CE #5589DE

Accessibility & contrast

On white

8.11

#1E4D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1E4D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4D9B

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4D9B	#FFFFFF	#000000	##FFFFFF
##1E4D9B	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E569E

Deuteranopia (green-blind)

#004A99

Tritanopia (blue-blind)

#00606C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1e4d9b;
/* rgb */ color: rgb(30, 77, 155);
/* oklch */ color: oklch(43.4% 0.137 260.1);

Tailwind

colors: {
  custom: {
    50: '#6f7eb9',
    500: '#1e4d9b',
    950: '#000000',
  },
}

SCSS

$custom: #1e4d9b;
$custom-light: #6f7eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4d9b",
  "rgb": {
    "r": 30,
    "g": 77,
    "b": 155
  },
  "hsl": {
    "h": 217.44,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.43444,
    "c": 0.13744,
    "h": 260.1
  },
  "luminance": 0.0795
}

Semantic roles & 50–950 ramp

primary

#1E4D9B

secondary

#C29853

accent

#A93DEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1E4D9B

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

Preview Lab → · Contrast checker → · Palette generator →