#1F8CBC#1F8CBC

#1F8CBC is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.117 H 233.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F8CBC
RGB	rgb(31, 140, 188)
HSL	hsl(198, 72%, 43%)
HSV	hsv(198, 84%, 74%)
CMYK	cmyk(83.5%, 25.5%, 0%, 26.3%)
CIE-LAB	lab(54.74, -12.46, -33.30)
CIE-LCH	lch(54.74, 35.56, 249.48°)
OKLab	oklab(60.41% -0.0694 -0.094)
OKLCH	oklch(60.41% 0.117 233.6)
XYZ	xyz(19.0166, 22.6759, 50.9418)
Luminance	0.2268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8CBC #BC4F1F

analogous

#1FBC9D #1F8CBC #1F3DBC

triadic

#1F8CBC #BC1F8C #8CBC1F

tetradic

#1F8CBC #9D1FBC #BC4F1F #3DBC1F

square

#1F8CBC #9D1FBC #BC4F1F #3DBC1F

split-complementary

#1F8CBC #BC1F3D #BC9D1F

monochromatic

#0E3E53 #166587 #1F8CBC #3AACDE #6EC2E7

Accessibility & contrast

On white

3.79

#1F8CBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#1F8CBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8CBC

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8CBC	#FFFFFF	#000000	##000000
##1F8CBC	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748BBE

Deuteranopia (green-blind)

#607DBB

Tritanopia (blue-blind)

#00999C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f8cbc;
/* rgb */ color: rgb(31, 140, 188);
/* oklch */ color: oklch(60.4% 0.117 233.6);

Tailwind

colors: {
  custom: {
    50: '#77add0',
    500: '#1f8cbc',
    950: '#000000',
  },
}

SCSS

$custom: #1f8cbc;
$custom-light: #77add0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8cbc",
  "rgb": {
    "r": 31,
    "g": 140,
    "b": 188
  },
  "hsl": {
    "h": 198.344,
    "s": 71.689,
    "l": 42.941
  },
  "oklch": {
    "l": 0.60414,
    "c": 0.11691,
    "h": 233.6
  },
  "luminance": 0.22678
}

Semantic roles & 50–950 ramp

primary

#1F8CBC

secondary

#CD8869

accent

#7139EE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A1014

muted

#7C7F82

Preview Lab

Preview with #1F8CBC

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

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