#1B617E#1B617E

#1B617E is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.4% C 0.082 H 230.4°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B617E
RGB	rgb(27, 97, 126)
HSL	hsl(198, 65%, 30%)
HSV	hsv(198, 79%, 49%)
CMYK	cmyk(78.6%, 23%, 0%, 50.6%)
CIE-LAB	lab(38.35, -10.77, -22.34)
CIE-LCH	lch(38.35, 24.80, 244.27°)
OKLab	oklab(46.39% -0.052 -0.0628)
OKLCH	oklch(46.39% 0.082 230.4)
XYZ	xyz(8.4911, 10.2877, 21.2728)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B617E #7E381B

analogous

#1B7E6A #1B617E #1B2F7E

triadic

#1B617E #7E1B61 #617E1B

tetradic

#1B617E #6A1B7E #7E381B #2F7E1B

square

#1B617E #6A1B7E #7E381B #2F7E1B

split-complementary

#1B617E #7E1B2F #7E6A1B

monochromatic

#051319 #103A4C #1B617E #2688B0 #3EA9D6

Accessibility & contrast

On white

6.87

#1B617E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#1B617E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B617E

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B617E	#FFFFFF	#000000	##FFFFFF
##1B617E	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52607F

Deuteranopia (green-blind)

#45567E

Tritanopia (blue-blind)

#00696B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b617e;
/* rgb */ color: rgb(27, 97, 126);
/* oklch */ color: oklch(46.4% 0.082 230.4);

Tailwind

colors: {
  custom: {
    50: '#688ea3',
    500: '#1b617e',
    950: '#000000',
  },
}

SCSS

$custom: #1b617e;
$custom-light: #688ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b617e",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 126
  },
  "hsl": {
    "h": 197.576,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.46391,
    "c": 0.08155,
    "h": 230.4
  },
  "luminance": 0.10289
}

Semantic roles & 50–950 ramp

primary

#1B617E

secondary

#B26343

accent

#7140E8

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B617E

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

Preview Lab → · Contrast checker → · Palette generator →