#1B617F#1B617F

#1B617F is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.4% C 0.083 H 231.3°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#1B617F
RGB	rgb(27, 97, 127)
HSL	hsl(198, 65%, 30%)
HSV	hsv(198, 79%, 50%)
CMYK	cmyk(78.7%, 23.6%, 0%, 50.2%)
CIE-LAB	lab(38.40, -10.40, -22.88)
CIE-LCH	lch(38.40, 25.13, 245.56°)
OKLab	oklab(46.44% -0.0516 -0.0644)
OKLCH	oklch(46.44% 0.083 231.3)
XYZ	xyz(8.5559, 10.3137, 21.6144)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B617F #7F391B

analogous

#1B7F6B #1B617F #1B2F7F

triadic

#1B617F #7F1B61 #617F1B

tetradic

#1B617F #6B1B7F #7F391B #2F7F1B

square

#1B617F #6B1B7F #7F391B #2F7F1B

split-complementary

#1B617F #7F1B2F #7F6B1B

monochromatic

#06141A #103A4D #1B617F #2688B1 #3EA9D6

Accessibility & contrast

On white

6.86

#1B617F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#1B617F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B617F

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B617F	#FFFFFF	#000000	##FFFFFF
##1B617F	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526080

Deuteranopia (green-blind)

#44567F

Tritanopia (blue-blind)

#00696B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #1b617f;
/* rgb */ color: rgb(27, 97, 127);
/* oklch */ color: oklch(46.4% 0.083 231.3);

Tailwind

colors: {
  custom: {
    50: '#688da4',
    500: '#1b617f',
    950: '#000000',
  },
}

SCSS

$custom: #1b617f;
$custom-light: #688da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b617f",
  "rgb": {
    "r": 27,
    "g": 97,
    "b": 127
  },
  "hsl": {
    "h": 198,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.46442,
    "c": 0.0825,
    "h": 231.3
  },
  "luminance": 0.10315
}

Semantic roles & 50–950 ramp

primary

#1B617F

secondary

#B36543

accent

#7240E8

background

#F6F8FA

surface

#EBF0F4

border

#C6CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B617F

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

Preview Lab → · Contrast checker → · Palette generator →