#1E539B#1E539B

#1E539B is a dark, vivid cyan. Relative luminance 0.088; OKLCH L 44.8% C 0.130 H 257.3°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#1E539B
RGB	rgb(30, 83, 155)
HSL	hsl(215, 68%, 36%)
HSV	hsv(215, 81%, 61%)
CMYK	cmyk(80.6%, 46.5%, 0%, 39.2%)
CIE-LAB	lab(35.65, 9.76, -44.20)
CIE-LCH	lch(35.65, 45.27, 282.45°)
OKLab	oklab(44.81% -0.0286 -0.1268)
OKLCH	oklch(44.81% 0.13 257.3)
XYZ	xyz(9.5429, 8.8280, 32.2050)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E539B #9B661E

analogous

#1E929B #1E539B #281E9B

triadic

#1E539B #9B1E53 #539B1E

tetradic

#1E539B #9B1E92 #9B661E #1E9B28

square

#1E539B #9B1E92 #9B661E #1E9B28

split-complementary

#1E539B #9B281E #929B1E

monochromatic

#0A1C34 #143868 #1E539B #286ECE #558FDE

Accessibility & contrast

On white

7.59

#1E539B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1E539B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E539B

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E539B	#FFFFFF	#000000	##FFFFFF
##1E539B	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5A9E

Deuteranopia (green-blind)

#0E4F9A

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1e539b;
/* rgb */ color: rgb(30, 83, 155);
/* oklch */ color: oklch(44.8% 0.130 257.3);

Tailwind

colors: {
  custom: {
    50: '#6e82b9',
    500: '#1e539b',
    950: '#000000',
  },
}

SCSS

$custom: #1e539b;
$custom-light: #6e82b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e539b",
  "rgb": {
    "r": 30,
    "g": 83,
    "b": 155
  },
  "hsl": {
    "h": 214.56,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.44809,
    "c": 0.13003,
    "h": 257.3
  },
  "luminance": 0.08829
}

Semantic roles & 50–950 ramp

primary

#1E539B

secondary

#C29353

accent

#A13DEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1E539B

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

Preview Lab → · Contrast checker → · Palette generator →