#1F5787#1F5787

#1F5787 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.5% C 0.098 H 248.1°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F5787
RGB	rgb(31, 87, 135)
HSL	hsl(208, 63%, 33%)
HSV	hsv(208, 77%, 53%)
CMYK	cmyk(77%, 35.6%, 0%, 47.1%)
CIE-LAB	lab(35.71, -0.64, -31.98)
CIE-LCH	lch(35.71, 31.98, 268.85°)
OKLab	oklab(44.47% -0.0365 -0.0909)
OKLCH	oklch(44.47% 0.098 248.1)
XYZ	xyz(8.3448, 8.8560, 24.1866)
Luminance	0.0886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5787 #874F1F

analogous

#1F8783 #1F5787 #1F2387

triadic

#1F5787 #871F57 #57871F

tetradic

#1F5787 #831F87 #874F1F #23871F

square

#1F5787 #831F87 #874F1F #23871F

split-complementary

#1F5787 #871F23 #87831F

monochromatic

#081723 #143755 #1F5787 #2A77B9 #4B96D6

Accessibility & contrast

On white

7.58

#1F5787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1F5787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5787

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5787	#FFFFFF	#000000	##FFFFFF
##1F5787	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415989

Deuteranopia (green-blind)

#325086

Tritanopia (blue-blind)

#006268

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1f5787;
/* rgb */ color: rgb(31, 87, 135);
/* oklch */ color: oklch(44.5% 0.098 248.1);

Tailwind

colors: {
  custom: {
    50: '#6a86aa',
    500: '#1f5787',
    950: '#000000',
  },
}

SCSS

$custom: #1f5787;
$custom-light: #6a86aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5787",
  "rgb": {
    "r": 31,
    "g": 87,
    "b": 135
  },
  "hsl": {
    "h": 207.692,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4447,
    "c": 0.09795,
    "h": 248.1
  },
  "luminance": 0.08857
}

Semantic roles & 50–950 ramp

primary

#1F5787

secondary

#B87D4A

accent

#8E42E6

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #1F5787

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

Preview Lab → · Contrast checker → · Palette generator →