#1E90AB#1E90AB

#1E90AB is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.6% C 0.102 H 218.6°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#1E90AB
RGB	rgb(30, 144, 171)
HSL	hsl(191, 70%, 39%)
HSV	hsv(191, 82%, 67%)
CMYK	cmyk(82.5%, 15.8%, 0%, 32.9%)
CIE-LAB	lab(55.24, -20.69, -22.82)
CIE-LCH	lch(55.24, 30.81, 227.80°)
OKLab	oklab(60.58% -0.0799 -0.0639)
OKLCH	oklch(60.58% 0.102 218.6)
XYZ	xyz(17.8562, 23.1606, 42.0495)
Luminance	0.2316 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E90AB #AB391E

analogous

#1EAB7F #1E90AB #1E4AAB

triadic

#1E90AB #AB1E90 #90AB1E

tetradic

#1E90AB #7F1EAB #AB391E #4AAB1E

square

#1E90AB #7F1EAB #AB391E #4AAB1E

split-complementary

#1E90AB #AB1E4A #AB7F1E

monochromatic

#0C3843 #156477 #1E90AB #2CB9DA #60CAE3

Accessibility & contrast

On white

3.73

#1E90AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#1E90AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E90AB

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E90AB	#FFFFFF	#000000	##000000
##1E90AB	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8CAC

Deuteranopia (green-blind)

#6D7FAB

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1e90ab;
/* rgb */ color: rgb(30, 144, 171);
/* oklch */ color: oklch(60.6% 0.102 218.6);

Tailwind

colors: {
  custom: {
    50: '#74b0c4',
    500: '#1e90ab',
    950: '#000000',
  },
}

SCSS

$custom: #1e90ab;
$custom-light: #74b0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1e90ab",
  "rgb": {
    "r": 30,
    "g": 144,
    "b": 171
  },
  "hsl": {
    "h": 191.489,
    "s": 70.149,
    "l": 39.412
  },
  "oklch": {
    "l": 0.60575,
    "c": 0.10231,
    "h": 218.6
  },
  "luminance": 0.23163
}

Semantic roles & 50–950 ramp

primary

#1E90AB

secondary

#C8715D

accent

#5D3BED

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #1E90AB

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

Preview Lab → · Contrast checker → · Palette generator →