#1F487A#1F487A

#1F487A is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.096 H 254.9°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#1F487A
RGB	rgb(31, 72, 122)
HSL	hsl(213, 59%, 30%)
HSV	hsv(213, 75%, 48%)
CMYK	cmyk(74.6%, 41%, 0%, 52.2%)
CIE-LAB	lab(30.23, 4.08, -32.63)
CIE-LCH	lch(30.23, 32.88, 277.13°)
OKLab	oklab(39.94% -0.025 -0.093)
OKLCH	oklch(39.94% 0.096 254.9)
XYZ	xyz(6.3940, 6.3305, 19.2935)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F487A #7A511F

analogous

#1F757A #1F487A #241F7A

triadic

#1F487A #7A1F48 #487A1F

tetradic

#1F487A #7A1F75 #7A511F #1F7A24

square

#1F487A #7A1F75 #7A511F #1F7A24

split-complementary

#1F487A #7A241F #757A1F

monochromatic

#060E18 #132B49 #1F487A #2B65AB #4483CF

Accessibility & contrast

On white

9.27

#1F487A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1F487A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F487A

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F487A	#FFFFFF	#000000	##FFFFFF
##1F487A	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314C7C

Deuteranopia (green-blind)

#234379

Tritanopia (blue-blind)

#00545B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f487a;
/* rgb */ color: rgb(31, 72, 122);
/* oklch */ color: oklch(39.9% 0.096 254.9);

Tailwind

colors: {
  custom: {
    50: '#677aa1',
    500: '#1f487a',
    950: '#000000',
  },
}

SCSS

$custom: #1f487a;
$custom-light: #677aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f487a",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 122
  },
  "hsl": {
    "h": 212.967,
    "s": 59.477,
    "l": 30
  },
  "oklch": {
    "l": 0.39942,
    "c": 0.09634,
    "h": 254.9
  },
  "luminance": 0.06331
}

Semantic roles & 50–950 ramp

primary

#1F487A

secondary

#AD7F47

accent

#9C45E3

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#07090F

muted

#7A7B7E

Preview Lab

Preview with #1F487A

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

Preview Lab → · Contrast checker → · Palette generator →