#1E5B9B#1E5B9B

#1E5B9B is a mid, vivid cyan. Relative luminance 0.101; OKLCH L 46.7% C 0.121 H 252.9°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#1E5B9B
RGB	rgb(30, 91, 155)
HSL	hsl(211, 68%, 36%)
HSV	hsv(211, 81%, 61%)
CMYK	cmyk(80.6%, 41.3%, 0%, 39.2%)
CIE-LAB	lab(38.06, 4.50, -40.34)
CIE-LCH	lch(38.06, 40.59, 276.37°)
OKLab	oklab(46.68% -0.0355 -0.1153)
OKLCH	oklch(46.68% 0.121 252.9)
XYZ	xyz(10.1907, 10.1235, 32.4209)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E5B9B #9B5E1E

analogous

#1E9A9B #1E5B9B #201E9B

triadic

#1E5B9B #9B1E5B #5B9B1E

tetradic

#1E5B9B #9B1E9A #9B5E1E #1E9B20

square

#1E5B9B #9B1E9A #9B5E1E #1E9B20

split-complementary

#1E5B9B #9B201E #9A9B1E

monochromatic

#0A1F34 #143D68 #1E5B9B #2879CE #5598DE

Accessibility & contrast

On white

6.94

#1E5B9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#1E5B9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E5B9B

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E5B9B	#FFFFFF	#000000	##FFFFFF
##1E5B9B	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C609E

Deuteranopia (green-blind)

#27549A

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1e5b9b;
/* rgb */ color: rgb(30, 91, 155);
/* oklch */ color: oklch(46.7% 0.121 252.9);

Tailwind

colors: {
  custom: {
    50: '#6e88b9',
    500: '#1e5b9b',
    950: '#000000',
  },
}

SCSS

$custom: #1e5b9b;
$custom-light: #6e88b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e5b9b",
  "rgb": {
    "r": 30,
    "g": 91,
    "b": 155
  },
  "hsl": {
    "h": 210.72,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.46682,
    "c": 0.12067,
    "h": 252.9
  },
  "luminance": 0.10125
}

Semantic roles & 50–950 ramp

primary

#1E5B9B

secondary

#C28C53

accent

#963DEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1E5B9B

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

Preview Lab → · Contrast checker → · Palette generator →