#1F497D#1F497D

#1F497D is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.4% C 0.099 H 255.3°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#1F497D
RGB	rgb(31, 73, 125)
HSL	hsl(213, 60%, 31%)
HSV	hsv(213, 75%, 49%)
CMYK	cmyk(75.2%, 41.6%, 0%, 51%)
CIE-LAB	lab(30.73, 4.60, -33.71)
CIE-LCH	lch(30.73, 34.02, 277.77°)
OKLab	oklab(40.39% -0.0253 -0.0962)
OKLCH	oklch(40.39% 0.099 255.3)
XYZ	xyz(6.6479, 6.5363, 20.3093)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F497D #7D531F

analogous

#1F787D #1F497D #241F7D

triadic

#1F497D #7D1F49 #497D1F

tetradic

#1F497D #7D1F78 #7D531F #1F7D24

square

#1F497D #7D1F78 #7D531F #1F7D24

split-complementary

#1F497D #7D241F #787D1F

monochromatic

#07101B #132C4C #1F497D #2B66AE #4584D1

Accessibility & contrast

On white

9.10

#1F497D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1F497D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F497D

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F497D	#FFFFFF	#000000	##FFFFFF
##1F497D	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314D7F

Deuteranopia (green-blind)

#22447C

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f497d;
/* rgb */ color: rgb(31, 73, 125);
/* oklch */ color: oklch(40.4% 0.099 255.3);

Tailwind

colors: {
  custom: {
    50: '#687ba3',
    500: '#1f497d',
    950: '#000000',
  },
}

SCSS

$custom: #1f497d;
$custom-light: #687ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f497d",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 125
  },
  "hsl": {
    "h": 213.191,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.40387,
    "c": 0.09946,
    "h": 255.3
  },
  "luminance": 0.06537
}

Semantic roles & 50–950 ramp

primary

#1F497D

secondary

#B08148

accent

#9C44E3

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F497D

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

Preview Lab → · Contrast checker → · Palette generator →