#1F497C#1F497C

#1F497C is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.3% C 0.098 H 254.9°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F497C
RGB	rgb(31, 73, 124)
HSL	hsl(213, 60%, 30%)
HSV	hsv(213, 75%, 49%)
CMYK	cmyk(75%, 41.1%, 0%, 51.4%)
CIE-LAB	lab(30.67, 4.20, -33.18)
CIE-LCH	lch(30.67, 33.45, 277.22°)
OKLab	oklab(40.32% -0.0255 -0.0946)
OKLCH	oklch(40.32% 0.098 254.9)
XYZ	xyz(6.5844, 6.5109, 19.9746)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F497C #7C521F

analogous

#1F777C #1F497C #231F7C

triadic

#1F497C #7C1F49 #497C1F

tetradic

#1F497C #7C1F77 #7C521F #1F7C23

square

#1F497C #7C1F77 #7C521F #1F7C23

split-complementary

#1F497C #7C231F #777C1F

monochromatic

#070F1A #132C4B #1F497C #2B66AD #4584D0

Accessibility & contrast

On white

9.12

#1F497C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1F497C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F497C

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F497C	#FFFFFF	#000000	##FFFFFF
##1F497C	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314D7E

Deuteranopia (green-blind)

#23447B

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f497c;
/* rgb */ color: rgb(31, 73, 124);
/* oklch */ color: oklch(40.3% 0.098 254.9);

Tailwind

colors: {
  custom: {
    50: '#687ba2',
    500: '#1f497c',
    950: '#000000',
  },
}

SCSS

$custom: #1f497c;
$custom-light: #687ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f497c",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 124
  },
  "hsl": {
    "h": 212.903,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.4032,
    "c": 0.09802,
    "h": 254.9
  },
  "luminance": 0.06512
}

Semantic roles & 50–950 ramp

primary

#1F497C

secondary

#AF8048

accent

#9C45E3

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F497C

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

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