#1B617D#1B617D

#1B617D is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.3% C 0.081 H 229.5°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B617D
RGB	rgb(27, 97, 125)
HSL	hsl(197, 64%, 30%)
HSV	hsv(197, 78%, 49%)
CMYK	cmyk(78.4%, 22.4%, 0%, 51%)
CIE-LAB	lab(38.31, -11.14, -21.80)
CIE-LCH	lch(38.31, 24.48, 242.94°)
OKLab	oklab(46.34% -0.0524 -0.0612)
OKLCH	oklch(46.34% 0.081 229.5)
XYZ	xyz(8.4269, 10.2621, 20.9347)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B617D #7D371B

analogous

#1B7D68 #1B617D #1B307D

triadic

#1B617D #7D1B61 #617D1B

tetradic

#1B617D #681B7D #7D371B #307D1B

square

#1B617D #681B7D #7D371B #307D1B

split-complementary

#1B617D #7D1B30 #7D681B

monochromatic

#051419 #103A4B #1B617D #2688AF #3DAAD5

Accessibility & contrast

On white

6.88

#1B617D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#1B617D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B617D

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B617D	#FFFFFF	#000000	##FFFFFF
##1B617D	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535F7E

Deuteranopia (green-blind)

#45567D

Tritanopia (blue-blind)

#00696A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b617d;
/* rgb */ color: rgb(27, 97, 125);
/* oklch */ color: oklch(46.3% 0.081 229.5);

Tailwind

colors: {
  custom: {
    50: '#678ea2',
    500: '#1b617d',
    950: '#000000',
  },
}

SCSS

$custom: #1b617d;
$custom-light: #678ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b617d",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 125
  },
  "hsl": {
    "h": 197.143,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.4634,
    "c": 0.08061,
    "h": 229.5
  },
  "luminance": 0.10263
}

Semantic roles & 50–950 ramp

primary

#1B617D

secondary

#B16243

accent

#7040E7

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B617D

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

Preview Lab → · Contrast checker → · Palette generator →