#1658B4#1658B4

#1658B4 is a mid, vivid cyan. Relative luminance 0.104; OKLCH L 47.6% C 0.160 H 258.3°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#1658B4
RGB	rgb(22, 88, 180)
HSL	hsl(215, 78%, 40%)
HSV	hsv(215, 88%, 71%)
CMYK	cmyk(87.8%, 51.1%, 0%, 29.4%)
CIE-LAB	lab(38.63, 15.76, -54.29)
CIE-LCH	lch(38.63, 56.53, 286.18°)
OKLab	oklab(47.59% -0.0323 -0.1565)
OKLCH	oklch(47.59% 0.16 258.3)
XYZ	xyz(12.0558, 10.4438, 44.5516)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1658B4 #B47216

analogous

#16A7B4 #1658B4 #2316B4

triadic

#1658B4 #B41658 #58B416

tetradic

#1658B4 #B416A7 #B47216 #16B423

square

#1658B4 #B416A7 #B47216 #16B423

split-complementary

#1658B4 #B42316 #A7B416

monochromatic

#092347 #0F3D7D #1658B4 #2374E4 #5A96EB

Accessibility & contrast

On white

6.80

#1658B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#1658B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1658B4

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1658B4	#FFFFFF	#000000	##FFFFFF
##1658B4	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A62B7

Deuteranopia (green-blind)

#0054B2

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1658b4;
/* rgb */ color: rgb(22, 88, 180);
/* oklch */ color: oklch(47.6% 0.160 258.3);

Tailwind

colors: {
  custom: {
    50: '#7386cb',
    500: '#1658b4',
    950: '#000000',
  },
}

SCSS

$custom: #1658b4;
$custom-light: #7386cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1658b4",
  "rgb": {
    "r": 22,
    "g": 88,
    "b": 180
  },
  "hsl": {
    "h": 214.937,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.47589,
    "c": 0.15982,
    "h": 258.3
  },
  "luminance": 0.10445
}

Semantic roles & 50–950 ramp

primary

#1658B4

secondary

#CE9D58

accent

#A433F5

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1658B4

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

Preview Lab → · Contrast checker → · Palette generator →