#1F4F7D#1F4F7D

#1F4F7D is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.9% C 0.093 H 250.2°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#1F4F7D
RGB	rgb(31, 79, 125)
HSL	hsl(209, 60%, 31%)
HSV	hsv(209, 75%, 49%)
CMYK	cmyk(75.2%, 36.8%, 0%, 51%)
CIE-LAB	lab(32.62, 0.63, -30.70)
CIE-LCH	lch(32.62, 30.71, 271.17°)
OKLab	oklab(41.87% -0.0314 -0.0873)
OKLCH	oklch(41.87% 0.093 250.2)
XYZ	xyz(7.0613, 7.3632, 20.4471)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4F7D #7D4D1F

analogous

#1F7D7C #1F4F7D #1F207D

triadic

#1F4F7D #7D1F4F #4F7D1F

tetradic

#1F4F7D #7C1F7D #7D4D1F #207D1F

square

#1F4F7D #7C1F7D #7D4D1F #207D1F

split-complementary

#1F4F7D #7D1F20 #7D7C1F

monochromatic

#07111B #13304C #1F4F7D #2B6EAE #458DD1

Accessibility & contrast

On white

8.49

#1F4F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1F4F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4F7D

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4F7D	#FFFFFF	#000000	##FFFFFF
##1F4F7D	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A527F

Deuteranopia (green-blind)

#2C497C

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f4f7d;
/* rgb */ color: rgb(31, 79, 125);
/* oklch */ color: oklch(41.9% 0.093 250.2);

Tailwind

colors: {
  custom: {
    50: '#6880a3',
    500: '#1f4f7d',
    950: '#000000',
  },
}

SCSS

$custom: #1f4f7d;
$custom-light: #6880a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4f7d",
  "rgb": {
    "r": 31,
    "g": 79,
    "b": 125
  },
  "hsl": {
    "h": 209.362,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41866,
    "c": 0.09275,
    "h": 250.2
  },
  "luminance": 0.07364
}

Semantic roles & 50–950 ramp

primary

#1F4F7D

secondary

#B07B48

accent

#9244E3

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F4F7D

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

Preview Lab → · Contrast checker → · Palette generator →