#1F487C#1F487C

#1F487C is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.1% C 0.099 H 255.7°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F487C
RGB	rgb(31, 72, 124)
HSL	hsl(214, 60%, 30%)
HSV	hsv(214, 75%, 49%)
CMYK	cmyk(75%, 41.9%, 0%, 51.4%)
CIE-LAB	lab(30.35, 4.87, -33.68)
CIE-LCH	lch(30.35, 34.03, 278.23°)
OKLab	oklab(40.08% -0.0245 -0.0961)
OKLCH	oklch(40.08% 0.099 255.7)
XYZ	xyz(6.5192, 6.3806, 19.9529)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F487C #7C531F

analogous

#1F767C #1F487C #241F7C

triadic

#1F487C #7C1F48 #487C1F

tetradic

#1F487C #7C1F76 #7C531F #1F7C24

square

#1F487C #7C1F76 #7C531F #1F7C24

split-complementary

#1F487C #7C241F #767C1F

monochromatic

#070F1A #132C4B #1F487C #2B64AD #4582D0

Accessibility & contrast

On white

9.23

#1F487C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1F487C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F487C

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F487C	#FFFFFF	#000000	##FFFFFF
##1F487C	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304C7E

Deuteranopia (green-blind)

#21447B

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f487c;
/* rgb */ color: rgb(31, 72, 124);
/* oklch */ color: oklch(40.1% 0.099 255.7);

Tailwind

colors: {
  custom: {
    50: '#687aa2',
    500: '#1f487c',
    950: '#000000',
  },
}

SCSS

$custom: #1f487c;
$custom-light: #687aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f487c",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 124
  },
  "hsl": {
    "h": 213.548,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.40076,
    "c": 0.0992,
    "h": 255.7
  },
  "luminance": 0.06381
}

Semantic roles & 50–950 ramp

primary

#1F487C

secondary

#AF8248

accent

#9D45E3

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F487C

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

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