#1F6583#1F6583

#1F6583 is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.8% C 0.083 H 230.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#1F6583
RGB	rgb(31, 101, 131)
HSL	hsl(198, 62%, 32%)
HSV	hsv(198, 76%, 51%)
CMYK	cmyk(76.3%, 22.9%, 0%, 48.6%)
CIE-LAB	lab(39.98, -10.76, -22.85)
CIE-LCH	lch(39.98, 25.26, 244.79°)
OKLab	oklab(47.79% -0.0523 -0.0642)
OKLCH	oklch(47.79% 0.083 230.9)
XYZ	xyz(9.3138, 11.2363, 23.1463)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F6583 #833D1F

analogous

#1F836F #1F6583 #1F3383

triadic

#1F6583 #831F65 #65831F

tetradic

#1F6583 #6F1F83 #833D1F #33831F

square

#1F6583 #6F1F83 #833D1F #33831F

split-complementary

#1F6583 #831F33 #836F1F

monochromatic

#081920 #133F52 #1F6583 #2B8BB4 #49AAD4

Accessibility & contrast

On white

6.47

#1F6583 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#1F6583 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F6583

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F6583	#FFFFFF	#000000	##FFFFFF
##1F6583	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566484

Deuteranopia (green-blind)

#485A83

Tritanopia (blue-blind)

#006D6F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1f6583;
/* rgb */ color: rgb(31, 101, 131);
/* oklch */ color: oklch(47.8% 0.083 230.9);

Tailwind

colors: {
  custom: {
    50: '#6a90a7',
    500: '#1f6583',
    950: '#000000',
  },
}

SCSS

$custom: #1f6583;
$custom-light: #6a90a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f6583",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 131
  },
  "hsl": {
    "h": 198,
    "s": 61.728,
    "l": 31.765
  },
  "oklch": {
    "l": 0.47789,
    "c": 0.08281,
    "h": 230.9
  },
  "luminance": 0.11237
}

Semantic roles & 50–950 ramp

primary

#1F6583

secondary

#B66948

accent

#7443E5

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1F6583

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

Preview Lab → · Contrast checker → · Palette generator →