#1F608B#1F608B

#1F608B is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.9% C 0.095 H 242.2°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F608B
RGB	rgb(31, 96, 139)
HSL	hsl(204, 64%, 33%)
HSV	hsv(204, 78%, 55%)
CMYK	cmyk(77.7%, 30.9%, 0%, 45.5%)
CIE-LAB	lab(38.76, -4.76, -29.60)
CIE-LCH	lch(38.76, 29.98, 260.87°)
OKLab	oklab(46.95% -0.0443 -0.0838)
OKLCH	oklch(46.95% 0.095 242.2)
XYZ	xyz(9.4063, 10.5200, 25.9559)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F608B #8B4A1F

analogous

#1F8B80 #1F608B #1F2A8B

triadic

#1F608B #8B1F60 #608B1F

tetradic

#1F608B #801F8B #8B4A1F #2A8B1F

square

#1F608B #801F8B #8B4A1F #2A8B1F

split-complementary

#1F608B #8B1F2A #8B801F

monochromatic

#091B27 #143D59 #1F608B #2A83BD #4DA0D7

Accessibility & contrast

On white

6.77

#1F608B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#1F608B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F608B

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F608B	#FFFFFF	#000000	##FFFFFF
##1F608B	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C618D

Deuteranopia (green-blind)

#3D578A

Tritanopia (blue-blind)

#006B6F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #1f608b;
/* rgb */ color: rgb(31, 96, 139);
/* oklch */ color: oklch(46.9% 0.095 242.2);

Tailwind

colors: {
  custom: {
    50: '#6b8dad',
    500: '#1f608b',
    950: '#000000',
  },
}

SCSS

$custom: #1f608b;
$custom-light: #6b8dad;
$custom-dark: #000000;

JSON

{
  "hex": "#1f608b",
  "rgb": {
    "r": 31,
    "g": 96,
    "b": 139
  },
  "hsl": {
    "h": 203.889,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.46949,
    "c": 0.09478,
    "h": 242.2
  },
  "luminance": 0.10521
}

Semantic roles & 50–950 ramp

primary

#1F608B

secondary

#BA784C

accent

#8341E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F608B

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

Preview Lab → · Contrast checker → · Palette generator →