#1E4B9F#1E4B9F

#1E4B9F is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.3% C 0.146 H 261.4°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1E4B9F
RGB	rgb(30, 75, 159)
HSL	hsl(219, 68%, 37%)
HSV	hsv(219, 81%, 62%)
CMYK	cmyk(81.1%, 52.8%, 0%, 37.6%)
CIE-LAB	lab(33.58, 16.73, -49.94)
CIE-LCH	lch(33.58, 52.67, 288.52°)
OKLab	oklab(43.31% -0.0216 -0.1439)
OKLCH	oklch(43.31% 0.146 261.4)
XYZ	xyz(9.3072, 7.8103, 33.8112)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E4B9F #9F721E

analogous

#1E8C9F #1E4B9F #321E9F

triadic

#1E4B9F #9F1E4B #4B9F1E

tetradic

#1E4B9F #9F1E8C #9F721E #1E9F32

square

#1E4B9F #9F1E8C #9F721E #1E9F32

split-complementary

#1E4B9F #9F321E #8C9F1E

monochromatic

#0B1A38 #14336C #1E4B9F #2863D2 #5887DF

Accessibility & contrast

On white

8.20

#1E4B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1E4B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E4B9F

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E4B9F	#FFFFFF	#000000	##FFFFFF
##1E4B9F	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)

#1055A2

Deuteranopia (green-blind)

#00499D

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1e4b9f;
/* rgb */ color: rgb(30, 75, 159);
/* oklch */ color: oklch(43.3% 0.146 261.4);

Tailwind

colors: {
  custom: {
    50: '#707cbc',
    500: '#1e4b9f',
    950: '#000000',
  },
}

SCSS

$custom: #1e4b9f;
$custom-light: #707cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1e4b9f",
  "rgb": {
    "r": 30,
    "g": 75,
    "b": 159
  },
  "hsl": {
    "h": 219.07,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43312,
    "c": 0.14553,
    "h": 261.4
  },
  "luminance": 0.07811
}

Semantic roles & 50–950 ramp

primary

#1E4B9F

secondary

#C39D56

accent

#AE3DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1E4B9F

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

Preview Lab → · Contrast checker → · Palette generator →