#1E90B2#1E90B2

#1E90B2 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 60.9% C 0.107 H 223.8°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#1E90B2
RGB	rgb(30, 144, 178)
HSL	hsl(194, 71%, 41%)
HSV	hsv(194, 83%, 70%)
CMYK	cmyk(83.1%, 19.1%, 0%, 30.2%)
CIE-LAB	lab(55.52, -18.28, -26.39)
CIE-LCH	lch(55.52, 32.11, 235.29°)
OKLab	oklab(60.89% -0.0772 -0.0741)
OKLCH	oklch(60.89% 0.107 223.8)
XYZ	xyz(18.5412, 23.4345, 45.6569)
Luminance	0.2344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E90B2 #B2401E

analogous

#1EB28A #1E90B2 #1E46B2

triadic

#1E90B2 #B21E90 #90B21E

tetradic

#1E90B2 #8A1EB2 #B2401E #46B21E

square

#1E90B2 #8A1EB2 #B2401E #46B21E

split-complementary

#1E90B2 #B21E46 #B28A1E

monochromatic

#0C3B49 #15667E #1E90B2 #31B5DC #65C8E5

Accessibility & contrast

On white

3.69

#1E90B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#1E90B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E90B2

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E90B2	#FFFFFF	#000000	##000000
##1E90B2	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB4

Deuteranopia (green-blind)

#6A7FB2

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1e90b2;
/* rgb */ color: rgb(30, 144, 178);
/* oklch */ color: oklch(60.9% 0.107 223.8);

Tailwind

colors: {
  custom: {
    50: '#75b0c9',
    500: '#1e90b2',
    950: '#000000',
  },
}

SCSS

$custom: #1e90b2;
$custom-light: #75b0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e90b2",
  "rgb": {
    "r": 30,
    "g": 144,
    "b": 178
  },
  "hsl": {
    "h": 193.784,
    "s": 71.154,
    "l": 40.784
  },
  "oklch": {
    "l": 0.60892,
    "c": 0.10697,
    "h": 223.8
  },
  "luminance": 0.23437
}

Semantic roles & 50–950 ramp

primary

#1E90B2

secondary

#CA7A62

accent

#633AEE

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1E90B2

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

Preview Lab → · Contrast checker → · Palette generator →