#1F6388#1F6388

#1F6388 is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.5% C 0.089 H 237.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#1F6388
RGB	rgb(31, 99, 136)
HSL	hsl(201, 63%, 33%)
HSV	hsv(201, 77%, 53%)
CMYK	cmyk(77.2%, 27.2%, 0%, 46.7%)
CIE-LAB	lab(39.57, -7.72, -26.52)
CIE-LCH	lch(39.57, 27.62, 253.77°)
OKLab	oklab(47.54% -0.0483 -0.0748)
OKLCH	oklch(47.54% 0.089 237.1)
XYZ	xyz(9.4691, 10.9914, 24.9103)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F6388 #88441F

analogous

#1F8878 #1F6388 #1F2E88

triadic

#1F6388 #881F63 #63881F

tetradic

#1F6388 #781F88 #88441F #2E881F

square

#1F6388 #781F88 #88441F #2E881F

split-complementary

#1F6388 #881F2E #88781F

monochromatic

#081A24 #143F56 #1F6388 #2A87BA #4BA5D6

Accessibility & contrast

On white

6.57

#1F6388 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#1F6388 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6388

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F6388	#FFFFFF	#000000	##FFFFFF
##1F6388	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51638A

Deuteranopia (green-blind)

#435987

Tritanopia (blue-blind)

#006C70

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1f6388;
/* rgb */ color: rgb(31, 99, 136);
/* oklch */ color: oklch(47.5% 0.089 237.1);

Tailwind

colors: {
  custom: {
    50: '#6b8fab',
    500: '#1f6388',
    950: '#000000',
  },
}

SCSS

$custom: #1f6388;
$custom-light: #6b8fab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f6388",
  "rgb": {
    "r": 31,
    "g": 99,
    "b": 136
  },
  "hsl": {
    "h": 201.143,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.47539,
    "c": 0.08909,
    "h": 237.1
  },
  "luminance": 0.10993
}

Semantic roles & 50–950 ramp

primary

#1F6388

secondary

#B9714A

accent

#7C42E6

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F6388

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

Preview Lab → · Contrast checker → · Palette generator →