#1F487D#1F487D

#1F487D is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.1% C 0.101 H 256.0°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#1F487D
RGB	rgb(31, 72, 125)
HSL	hsl(214, 60%, 31%)
HSV	hsv(214, 75%, 49%)
CMYK	cmyk(75.2%, 42.4%, 0%, 51%)
CIE-LAB	lab(30.41, 5.27, -34.21)
CIE-LCH	lch(30.41, 34.61, 278.76°)
OKLab	oklab(40.14% -0.0243 -0.0977)
OKLCH	oklch(40.14% 0.101 256)
XYZ	xyz(6.5828, 6.4060, 20.2876)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F487D #7D541F

analogous

#1F777D #1F487D #251F7D

triadic

#1F487D #7D1F48 #487D1F

tetradic

#1F487D #7D1F77 #7D541F #1F7D25

square

#1F487D #7D1F77 #7D541F #1F7D25

split-complementary

#1F487D #7D251F #777D1F

monochromatic

#07101B #132C4C #1F487D #2B64AE #4582D1

Accessibility & contrast

On white

9.20

#1F487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1F487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F487D

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F487D	#FFFFFF	#000000	##FFFFFF
##1F487D	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4C7F

Deuteranopia (green-blind)

#1F447C

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f487d;
/* rgb */ color: rgb(31, 72, 125);
/* oklch */ color: oklch(40.1% 0.101 256.0);

Tailwind

colors: {
  custom: {
    50: '#687aa3',
    500: '#1f487d',
    950: '#000000',
  },
}

SCSS

$custom: #1f487d;
$custom-light: #687aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f487d",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 213.83,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40144,
    "c": 0.10065,
    "h": 256
  },
  "luminance": 0.06407
}

Semantic roles & 50–950 ramp

primary

#1F487D

secondary

#B08348

accent

#9E44E3

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F487D

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

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