#1F5499#1F5499

#1F5499 is a dark, vivid cyan. Relative luminance 0.089; OKLCH L 44.9% C 0.126 H 256.6°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F5499
RGB	rgb(31, 84, 153)
HSL	hsl(214, 66%, 36%)
HSV	hsv(214, 80%, 60%)
CMYK	cmyk(79.7%, 45.1%, 0%, 40%)
CIE-LAB	lab(35.85, 8.41, -42.67)
CIE-LCH	lch(35.85, 43.50, 281.15°)
OKLab	oklab(44.93% -0.0292 -0.1223)
OKLCH	oklch(44.93% 0.126 256.6)
XYZ	xyz(9.4830, 8.9307, 31.3548)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5499 #99641F

analogous

#1F9199 #1F5499 #271F99

triadic

#1F5499 #991F54 #54991F

tetradic

#1F5499 #991F91 #99641F #1F9927

square

#1F5499 #991F91 #99641F #1F9927

split-complementary

#1F5499 #99271F #91991F

monochromatic

#0A1C33 #153866 #1F5499 #2970CC #5690DD

Accessibility & contrast

On white

7.54

#1F5499 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1F5499 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5499

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5499	#FFFFFF	#000000	##FFFFFF
##1F5499	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315A9C

Deuteranopia (green-blind)

#174F98

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1f5499;
/* rgb */ color: rgb(31, 84, 153);
/* oklch */ color: oklch(44.9% 0.126 256.6);

Tailwind

colors: {
  custom: {
    50: '#6e83b7',
    500: '#1f5499',
    950: '#000000',
  },
}

SCSS

$custom: #1f5499;
$custom-light: #6e83b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5499",
  "rgb": {
    "r": 31,
    "g": 84,
    "b": 153
  },
  "hsl": {
    "h": 213.934,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.4493,
    "c": 0.12577,
    "h": 256.6
  },
  "luminance": 0.08932
}

Semantic roles & 50–950 ramp

primary

#1F5499

secondary

#C09154

accent

#9F3FE9

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1F5499

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

Preview Lab → · Contrast checker → · Palette generator →