#1658B3#1658B3

#1658B3 is a mid, vivid cyan. Relative luminance 0.104; OKLCH L 47.5% C 0.158 H 258.2°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#1658B3
RGB	rgb(22, 88, 179)
HSL	hsl(215, 78%, 39%)
HSV	hsv(215, 88%, 70%)
CMYK	cmyk(87.7%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(38.56, 15.36, -53.82)
CIE-LCH	lch(38.56, 55.97, 285.93°)
OKLab	oklab(47.51% -0.0324 -0.1551)
OKLCH	oklch(47.51% 0.158 258.2)
XYZ	xyz(11.9543, 10.4032, 44.0170)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1658B3 #B37116

analogous

#16A7B3 #1658B3 #2316B3

triadic

#1658B3 #B31658 #58B316

tetradic

#1658B3 #B316A7 #B37116 #16B323

square

#1658B3 #B316A7 #B37116 #16B323

split-complementary

#1658B3 #B32316 #A7B316

monochromatic

#092246 #0F3D7C #1658B3 #2274E4 #5996EB

Accessibility & contrast

On white

6.82

#1658B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#1658B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1658B3

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1658B3	#FFFFFF	#000000	##FFFFFF
##1658B3	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C62B6

Deuteranopia (green-blind)

#0054B1

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1658b3;
/* rgb */ color: rgb(22, 88, 179);
/* oklch */ color: oklch(47.5% 0.158 258.2);

Tailwind

colors: {
  custom: {
    50: '#7286ca',
    500: '#1658b3',
    950: '#000000',
  },
}

SCSS

$custom: #1658b3;
$custom-light: #7286ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1658b3",
  "rgb": {
    "r": 22,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 214.777,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47513,
    "c": 0.15849,
    "h": 258.2
  },
  "luminance": 0.10405
}

Semantic roles & 50–950 ramp

primary

#1658B3

secondary

#CE9C57

accent

#A333F5

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1658B3

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

Preview Lab → · Contrast checker → · Palette generator →