#1F5A9D#1F5A9D

#1F5A9D is a mid, vivid cyan. Relative luminance 0.100; OKLCH L 46.6% C 0.124 H 254.3°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#1F5A9D
RGB	rgb(31, 90, 157)
HSL	hsl(212, 67%, 37%)
HSV	hsv(212, 80%, 62%)
CMYK	cmyk(80.3%, 42.7%, 0%, 38.4%)
CIE-LAB	lab(37.91, 6.05, -41.78)
CIE-LCH	lch(37.91, 42.22, 278.24°)
OKLab	oklab(46.61% -0.0336 -0.1196)
OKLCH	oklch(46.61% 0.124 254.3)
XYZ	xyz(10.3048, 10.0367, 33.2859)
Luminance	0.1004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5A9D #9D621F

analogous

#1F999D #1F5A9D #231F9D

triadic

#1F5A9D #9D1F5A #5A9D1F

tetradic

#1F5A9D #9D1F99 #9D621F #1F9D23

square

#1F5A9D #9D1F99 #9D621F #1F9D23

split-complementary

#1F5A9D #9D231F #999D1F

monochromatic

#0B1F37 #153D6A #1F5A9D #2977D0 #5897DE

Accessibility & contrast

On white

6.98

#1F5A9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#1F5A9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F5A9D

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5A9D	#FFFFFF	#000000	##FFFFFF
##1F5A9D	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395FA0

Deuteranopia (green-blind)

#22549C

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1f5a9d;
/* rgb */ color: rgb(31, 90, 157);
/* oklch */ color: oklch(46.6% 0.124 254.3);

Tailwind

colors: {
  custom: {
    50: '#6f88ba',
    500: '#1f5a9d',
    950: '#000000',
  },
}

SCSS

$custom: #1f5a9d;
$custom-light: #6f88ba;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5a9d",
  "rgb": {
    "r": 31,
    "g": 90,
    "b": 157
  },
  "hsl": {
    "h": 211.905,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46608,
    "c": 0.12422,
    "h": 254.3
  },
  "luminance": 0.10038
}

Semantic roles & 50–950 ramp

primary

#1F5A9D

secondary

#C28F56

accent

#993EEA

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #1F5A9D

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

Preview Lab → · Contrast checker → · Palette generator →