#1F83AE#1F83AE

#1F83AE is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.5% C 0.109 H 232.5°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#1F83AE
RGB	rgb(31, 131, 174)
HSL	hsl(198, 70%, 40%)
HSV	hsv(198, 82%, 68%)
CMYK	cmyk(82.2%, 24.7%, 0%, 31.8%)
CIE-LAB	lab(51.36, -12.43, -30.55)
CIE-LCH	lch(51.36, 32.98, 247.85°)
OKLab	oklab(57.51% -0.066 -0.0862)
OKLCH	oklch(57.51% 0.109 232.5)
XYZ	xyz(16.3182, 19.5779, 42.9550)
Luminance	0.1958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F83AE #AE4A1F

analogous

#1FAE91 #1F83AE #1F3BAE

triadic

#1F83AE #AE1F83 #83AE1F

tetradic

#1F83AE #911FAE #AE4A1F #3BAE1F

square

#1F83AE #911FAE #AE4A1F #3BAE1F

split-complementary

#1F83AE #AE1F3B #AE911F

monochromatic

#0C3546 #165C7A #1F83AE #30A7DA #64BDE3

Accessibility & contrast

On white

4.27

#1F83AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#1F83AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F83AE

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F83AE	#FFFFFF	#000000	##000000
##1F83AE	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D82B0

Deuteranopia (green-blind)

#5B75AD

Tritanopia (blue-blind)

#008F92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #1f83ae;
/* rgb */ color: rgb(31, 131, 174);
/* oklch */ color: oklch(57.5% 0.109 232.5);

Tailwind

colors: {
  custom: {
    50: '#74a7c6',
    500: '#1f83ae',
    950: '#000000',
  },
}

SCSS

$custom: #1f83ae;
$custom-light: #74a7c6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f83ae",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 174
  },
  "hsl": {
    "h": 198.042,
    "s": 69.756,
    "l": 40.196
  },
  "oklch": {
    "l": 0.5751,
    "c": 0.10857,
    "h": 232.5
  },
  "luminance": 0.1958
}

Semantic roles & 50–950 ramp

primary

#1F83AE

secondary

#C88060

accent

#713BED

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #1F83AE

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

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