#1F487E#1F487E

#1F487E is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.2% C 0.102 H 256.4°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#1F487E
RGB	rgb(31, 72, 126)
HSL	hsl(214, 61%, 31%)
HSV	hsv(214, 75%, 49%)
CMYK	cmyk(75.4%, 42.9%, 0%, 50.6%)
CIE-LAB	lab(30.48, 5.67, -34.73)
CIE-LCH	lch(30.48, 35.19, 279.27°)
OKLab	oklab(40.21% -0.024 -0.0992)
OKLCH	oklch(40.21% 0.102 256.4)
XYZ	xyz(6.6470, 6.4317, 20.6257)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F487E #7E551F

analogous

#1F777E #1F487E #251F7E

triadic

#1F487E #7E1F48 #487E1F

tetradic

#1F487E #7E1F77 #7E551F #1F7E25

square

#1F487E #7E1F77 #7E551F #1F7E25

split-complementary

#1F487E #7E251F #777E1F

monochromatic

#07101C #132C4D #1F487E #2B64AF #4682D1

Accessibility & contrast

On white

9.18

#1F487E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1F487E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F487E

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F487E	#FFFFFF	#000000	##FFFFFF
##1F487E	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4C80

Deuteranopia (green-blind)

#1E447D

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f487e;
/* rgb */ color: rgb(31, 72, 126);
/* oklch */ color: oklch(40.2% 0.102 256.4);

Tailwind

colors: {
  custom: {
    50: '#687aa4',
    500: '#1f487e',
    950: '#000000',
  },
}

SCSS

$custom: #1f487e;
$custom-light: #687aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f487e",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 126
  },
  "hsl": {
    "h": 214.105,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40212,
    "c": 0.10208,
    "h": 256.4
  },
  "luminance": 0.06432
}

Semantic roles & 50–950 ramp

primary

#1F487E

secondary

#B18448

accent

#9F44E4

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F487E

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

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