#1F5A88#1F5A88

#1F5A88 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.3% C 0.096 H 246.0°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F5A88
RGB	rgb(31, 90, 136)
HSL	hsl(206, 63%, 33%)
HSV	hsv(206, 77%, 53%)
CMYK	cmyk(77.2%, 33.8%, 0%, 46.7%)
CIE-LAB	lab(36.71, -2.16, -31.01)
CIE-LCH	lch(36.71, 31.08, 266.01°)
OKLab	oklab(45.28% -0.0392 -0.088)
OKLCH	oklch(45.28% 0.096 246)
XYZ	xyz(8.6635, 9.3802, 24.6417)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5A88 #884D1F

analogous

#1F8881 #1F5A88 #1F2588

triadic

#1F5A88 #881F5A #5A881F

tetradic

#1F5A88 #811F88 #884D1F #25881F

square

#1F5A88 #811F88 #884D1F #25881F

split-complementary

#1F5A88 #881F25 #88811F

monochromatic

#081824 #143956 #1F5A88 #2A7BBA #4B99D6

Accessibility & contrast

On white

7.30

#1F5A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#1F5A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5A88

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5A88	#FFFFFF	#000000	##FFFFFF
##1F5A88	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#455C8A

Deuteranopia (green-blind)

#365287

Tritanopia (blue-blind)

#00656A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #1f5a88;
/* rgb */ color: rgb(31, 90, 136);
/* oklch */ color: oklch(45.3% 0.096 246.0);

Tailwind

colors: {
  custom: {
    50: '#6a88ab',
    500: '#1f5a88',
    950: '#000000',
  },
}

SCSS

$custom: #1f5a88;
$custom-light: #6a88ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5a88",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 136
  },
  "hsl": {
    "h": 206.286,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45275,
    "c": 0.09634,
    "h": 246
  },
  "luminance": 0.09381
}

Semantic roles & 50–950 ramp

primary

#1F5A88

secondary

#B97B4A

accent

#8A42E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1F5A88

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

Preview Lab → · Contrast checker → · Palette generator →