#1F4C7D#1F4C7D

#1F4C7D is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.1% C 0.096 H 252.9°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#1F4C7D
RGB	rgb(31, 76, 125)
HSL	hsl(211, 60%, 31%)
HSV	hsv(211, 75%, 49%)
CMYK	cmyk(75.2%, 39.2%, 0%, 51%)
CIE-LAB	lab(31.67, 2.60, -32.21)
CIE-LCH	lch(31.67, 32.31, 274.61°)
OKLab	oklab(41.12% -0.0283 -0.0917)
OKLCH	oklch(41.12% 0.096 252.9)
XYZ	xyz(6.8498, 6.9401, 20.3766)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4C7D #7D501F

analogous

#1F7B7D #1F4C7D #211F7D

triadic

#1F4C7D #7D1F4C #4C7D1F

tetradic

#1F4C7D #7D1F7B #7D501F #1F7D21

square

#1F4C7D #7D1F7B #7D501F #1F7D21

split-complementary

#1F4C7D #7D211F #7B7D1F

monochromatic

#07101B #132E4C #1F4C7D #2B6AAE #4588D1

Accessibility & contrast

On white

8.79

#1F4C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1F4C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4C7D

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4C7D	#FFFFFF	#000000	##FFFFFF
##1F4C7D	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354F7F

Deuteranopia (green-blind)

#27477C

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1f4c7d;
/* rgb */ color: rgb(31, 76, 125);
/* oklch */ color: oklch(41.1% 0.096 252.9);

Tailwind

colors: {
  custom: {
    50: '#687da3',
    500: '#1f4c7d',
    950: '#000000',
  },
}

SCSS

$custom: #1f4c7d;
$custom-light: #687da3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4c7d",
  "rgb": {
    "r": 31,
    "g": 76,
    "b": 125
  },
  "hsl": {
    "h": 211.277,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41122,
    "c": 0.09601,
    "h": 252.9
  },
  "luminance": 0.06941
}

Semantic roles & 50–950 ramp

primary

#1F4C7D

secondary

#B07E48

accent

#9744E3

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F4C7D

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

Preview Lab → · Contrast checker → · Palette generator →