#1E90BC#1E90BC

#1E90BC is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.115 H 230.3°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#1E90BC
RGB	rgb(30, 144, 188)
HSL	hsl(197, 72%, 43%)
HSV	hsv(197, 84%, 74%)
CMYK	cmyk(84%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(55.94, -14.77, -31.43)
CIE-LCH	lch(55.94, 34.73, 244.83°)
OKLab	oklab(61.37% -0.0734 -0.0886)
OKLCH	oklch(61.37% 0.115 230.3)
XYZ	xyz(19.5820, 23.8509, 51.1388)
Luminance	0.2385 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E90BC #BC4A1E

analogous

#1EBC99 #1E90BC #1E41BC

triadic

#1E90BC #BC1E90 #90BC1E

tetradic

#1E90BC #991EBC #BC4A1E #41BC1E

square

#1E90BC #991EBC #BC4A1E #41BC1E

split-complementary

#1E90BC #BC1E41 #BC991E

monochromatic

#0D3F52 #166887 #1E90BC #38B1DF #6DC5E8

Accessibility & contrast

On white

3.64

#1E90BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#1E90BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1E90BC

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E90BC	#FFFFFF	#000000	##000000
##1E90BC	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798EBE

Deuteranopia (green-blind)

#6580BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #1e90bc;
/* rgb */ color: rgb(30, 144, 188);
/* oklch */ color: oklch(61.4% 0.115 230.3);

Tailwind

colors: {
  custom: {
    50: '#77b0d0',
    500: '#1e90bc',
    950: '#000000',
  },
}

SCSS

$custom: #1e90bc;
$custom-light: #77b0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#1e90bc",
  "rgb": {
    "r": 30,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 196.709,
    "s": 72.477,
    "l": 42.745
  },
  "oklch": {
    "l": 0.61368,
    "c": 0.11507,
    "h": 230.3
  },
  "luminance": 0.23853
}

Semantic roles & 50–950 ramp

primary

#1E90BC

secondary

#CE8468

accent

#6B39EF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1014

muted

#7C7F82

Preview Lab

Preview with #1E90BC

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

Preview Lab → · Contrast checker → · Palette generator →