#1F497F#1F497F

#1F497F is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.5% C 0.102 H 256.0°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F497F
RGB	rgb(31, 73, 127)
HSL	hsl(214, 61%, 31%)
HSV	hsv(214, 76%, 50%)
CMYK	cmyk(75.6%, 42.5%, 0%, 50.2%)
CIE-LAB	lab(30.85, 5.39, -34.76)
CIE-LCH	lch(30.85, 35.17, 278.82°)
OKLab	oklab(40.52% -0.0248 -0.0993)
OKLCH	oklch(40.52% 0.102 256)
XYZ	xyz(6.7770, 6.5880, 20.9890)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F497F #7F551F

analogous

#1F797F #1F497F #251F7F

triadic

#1F497F #7F1F49 #497F1F

tetradic

#1F497F #7F1F79 #7F551F #1F7F25

square

#1F497F #7F1F79 #7F551F #1F7F25

split-complementary

#1F497F #7F251F #797F1F

monochromatic

#07101D #132D4E #1F497F #2B65B0 #4683D2

Accessibility & contrast

On white

9.06

#1F497F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1F497F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F497F

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F497F	#FFFFFF	#000000	##FFFFFF
##1F497F	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4D81

Deuteranopia (green-blind)

#1F457E

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f497f;
/* rgb */ color: rgb(31, 73, 127);
/* oklch */ color: oklch(40.5% 0.102 256.0);

Tailwind

colors: {
  custom: {
    50: '#687ba4',
    500: '#1f497f',
    950: '#000000',
  },
}

SCSS

$custom: #1f497f;
$custom-light: #687ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f497f",
  "rgb": {
    "r": 31,
    "g": 73,
    "b": 127
  },
  "hsl": {
    "h": 213.75,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40522,
    "c": 0.10232,
    "h": 256
  },
  "luminance": 0.06589
}

Semantic roles & 50–950 ramp

primary

#1F497F

secondary

#B28448

accent

#9E44E4

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F497F

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

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