#1E4C9B#1E4C9B

#1E4C9B is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.2% C 0.139 H 260.5°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1E4C9B
RGB	rgb(30, 76, 155)
HSL	hsl(218, 68%, 36%)
HSV	hsv(218, 81%, 61%)
CMYK	cmyk(80.6%, 51%, 0%, 39.2%)
CIE-LAB	lab(33.58, 14.46, -47.53)
CIE-LCH	lch(33.58, 49.68, 286.92°)
OKLab	oklab(43.22% -0.0229 -0.1368)
OKLCH	oklch(43.22% 0.139 260.5)
XYZ	xyz(9.0341, 7.8104, 32.0354)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4C9B #9B6D1E

analogous

#1E8B9B #1E4C9B #2F1E9B

triadic

#1E4C9B #9B1E4C #4C9B1E

tetradic

#1E4C9B #9B1E8B #9B6D1E #1E9B2F

square

#1E4C9B #9B1E8B #9B6D1E #1E9B2F

split-complementary

#1E4C9B #9B2F1E #8B9B1E

monochromatic

#0A1A34 #143368 #1E4C9B #2865CE #5588DE

Accessibility & contrast

On white

8.20

#1E4C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1E4C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4C9B

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4C9B	#FFFFFF	#000000	##FFFFFF
##1E4C9B	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B559E

Deuteranopia (green-blind)

#004A99

Tritanopia (blue-blind)

#005F6C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1e4c9b;
/* rgb */ color: rgb(30, 76, 155);
/* oklch */ color: oklch(43.2% 0.139 260.5);

Tailwind

colors: {
  custom: {
    50: '#6f7db9',
    500: '#1e4c9b',
    950: '#000000',
  },
}

SCSS

$custom: #1e4c9b;
$custom-light: #6f7db9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4c9b",
  "rgb": {
    "r": 30,
    "g": 76,
    "b": 155
  },
  "hsl": {
    "h": 217.92,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.4322,
    "c": 0.1387,
    "h": 260.5
  },
  "luminance": 0.07811
}

Semantic roles & 50–950 ramp

primary

#1E4C9B

secondary

#C29953

accent

#AB3DEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1E4C9B

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

Preview Lab → · Contrast checker → · Palette generator →