#1F5B68#1F5B68

#1F5B68 is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 43.9% C 0.064 H 214.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B68
RGB	rgb(31, 91, 104)
HSL	hsl(191, 54%, 26%)
HSV	hsv(191, 70%, 41%)
CMYK	cmyk(70.2%, 12.5%, 0%, 59.2%)
CIE-LAB	lab(35.54, -14.56, -13.10)
CIE-LCH	lch(35.54, 19.58, 221.98°)
OKLab	oklab(43.86% -0.0525 -0.0364)
OKLCH	oklch(43.86% 0.064 214.8)
XYZ	xyz(6.8038, 8.7722, 14.4286)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B68 #682C1F

analogous

#1F6851 #1F5B68 #1F3768

triadic

#1F5B68 #681F5B #5B681F

tetradic

#1F5B68 #511F68 #682C1F #37681F

square

#1F5B68 #511F68 #682C1F #37681F

split-complementary

#1F5B68 #681F37 #68511F

monochromatic

#071518 #113239 #1F5B68 #2D8497 #3CADC5

Accessibility & contrast

On white

7.62

#1F5B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1F5B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B68

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B68	#FFFFFF	#000000	##FFFFFF
##1F5B68	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525869

Deuteranopia (green-blind)

#475068

Tritanopia (blue-blind)

#00605F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1f5b68;
/* rgb */ color: rgb(31, 91, 104);
/* oklch */ color: oklch(43.9% 0.064 214.8);

Tailwind

colors: {
  custom: {
    50: '#658993',
    500: '#1f5b68',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b68;
$custom-light: #658993;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b68",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 104
  },
  "hsl": {
    "h": 190.685,
    "s": 54.074,
    "l": 26.471
  },
  "oklch": {
    "l": 0.43858,
    "c": 0.06389,
    "h": 214.8
  },
  "luminance": 0.08773
}

Semantic roles & 50–950 ramp

primary

#1F5B68

secondary

#9C5646

accent

#654ADD

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #1F5B68

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

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