#1F668B#1F668B

#1F668B is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.5% C 0.090 H 236.2°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F668B
RGB	rgb(31, 102, 139)
HSL	hsl(201, 64%, 33%)
HSV	hsv(201, 78%, 55%)
CMYK	cmyk(77.7%, 26.6%, 0%, 45.5%)
CIE-LAB	lab(40.67, -8.40, -26.61)
CIE-LCH	lch(40.67, 27.91, 252.47°)
OKLab	oklab(48.46% -0.0503 -0.0751)
OKLCH	oklch(48.46% 0.09 236.2)
XYZ	xyz(9.9748, 11.6569, 26.1454)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F668B #8B441F

analogous

#1F8B7A #1F668B #1F308B

triadic

#1F668B #8B1F66 #668B1F

tetradic

#1F668B #7A1F8B #8B441F #308B1F

square

#1F668B #7A1F8B #8B441F #308B1F

split-complementary

#1F668B #8B1F30 #8B7A1F

monochromatic

#091D27 #144159 #1F668B #2A8BBD #4DA8D7

Accessibility & contrast

On white

6.30

#1F668B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#1F668B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F668B

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F668B	#FFFFFF	#000000	##FFFFFF
##1F668B	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54668D

Deuteranopia (green-blind)

#465B8A

Tritanopia (blue-blind)

#007073

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #1f668b;
/* rgb */ color: rgb(31, 102, 139);
/* oklch */ color: oklch(48.5% 0.090 236.2);

Tailwind

colors: {
  custom: {
    50: '#6c91ad',
    500: '#1f668b',
    950: '#000000',
  },
}

SCSS

$custom: #1f668b;
$custom-light: #6c91ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f668b",
  "rgb": {
    "r": 31,
    "g": 102,
    "b": 139
  },
  "hsl": {
    "h": 200.556,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.48461,
    "c": 0.09037,
    "h": 236.2
  },
  "luminance": 0.11658
}

Semantic roles & 50–950 ramp

primary

#1F668B

secondary

#BA724C

accent

#7A41E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F668B

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

Preview Lab → · Contrast checker → · Palette generator →