#1E539F#1E539F

#1E539F is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.1% C 0.136 H 258.1°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#1E539F
RGB	rgb(30, 83, 159)
HSL	hsl(215, 68%, 37%)
HSV	hsv(215, 81%, 62%)
CMYK	cmyk(81.1%, 47.8%, 0%, 37.6%)
CIE-LAB	lab(35.92, 11.35, -46.18)
CIE-LCH	lch(35.92, 47.56, 283.81°)
OKLab	oklab(45.1% -0.0279 -0.1327)
OKLCH	oklch(45.1% 0.136 258.1)
XYZ	xyz(9.8844, 8.9646, 34.0035)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E539F #9F6A1E

analogous

#1E949F #1E539F #2A1E9F

triadic

#1E539F #9F1E53 #539F1E

tetradic

#1E539F #9F1E94 #9F6A1E #1E9F2A

square

#1E539F #9F1E94 #9F6A1E #1E9F2A

split-complementary

#1E539F #9F2A1E #949F1E

monochromatic

#0B1D38 #14386C #1E539F #286ED2 #5890DF

Accessibility & contrast

On white

7.52

#1E539F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1E539F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E539F

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E539F	#FFFFFF	#000000	##FFFFFF
##1E539F	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295BA2

Deuteranopia (green-blind)

#014F9D

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1e539f;
/* rgb */ color: rgb(30, 83, 159);
/* oklch */ color: oklch(45.1% 0.136 258.1);

Tailwind

colors: {
  custom: {
    50: '#6f82bc',
    500: '#1e539f',
    950: '#000000',
  },
}

SCSS

$custom: #1e539f;
$custom-light: #6f82bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1e539f",
  "rgb": {
    "r": 30,
    "g": 83,
    "b": 159
  },
  "hsl": {
    "h": 215.349,
    "s": 68.254,
    "l": 37.059
  },
  "oklch": {
    "l": 0.45098,
    "c": 0.13557,
    "h": 258.1
  },
  "luminance": 0.08966
}

Semantic roles & 50–950 ramp

primary

#1E539F

secondary

#C39656

accent

#A33DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1E539F

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

Preview Lab → · Contrast checker → · Palette generator →