#1F4D7D#1F4D7D

#1F4D7D is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.095 H 252.0°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F4D7D
RGB	rgb(31, 77, 125)
HSL	hsl(211, 60%, 31%)
HSV	hsv(211, 75%, 49%)
CMYK	cmyk(75.2%, 38.4%, 0%, 51%)
CIE-LAB	lab(31.99, 1.94, -31.71)
CIE-LCH	lch(31.99, 31.77, 273.50°)
OKLab	oklab(41.37% -0.0293 -0.0902)
OKLCH	oklch(41.37% 0.095 252)
XYZ	xyz(6.9192, 7.0790, 20.3998)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4D7D #7D4F1F

analogous

#1F7C7D #1F4D7D #201F7D

triadic

#1F4D7D #7D1F4D #4D7D1F

tetradic

#1F4D7D #7D1F7C #7D4F1F #1F7D20

square

#1F4D7D #7D1F7C #7D4F1F #1F7D20

split-complementary

#1F4D7D #7D201F #7C7D1F

monochromatic

#07111B #132F4C #1F4D7D #2B6BAE #458AD1

Accessibility & contrast

On white

8.69

#1F4D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1F4D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4D7D

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4D7D	#FFFFFF	#000000	##FFFFFF
##1F4D7D	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37507F

Deuteranopia (green-blind)

#29477C

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f4d7d;
/* rgb */ color: rgb(31, 77, 125);
/* oklch */ color: oklch(41.4% 0.095 252.0);

Tailwind

colors: {
  custom: {
    50: '#687ea3',
    500: '#1f4d7d',
    950: '#000000',
  },
}

SCSS

$custom: #1f4d7d;
$custom-light: #687ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4d7d",
  "rgb": {
    "r": 31,
    "g": 77,
    "b": 125
  },
  "hsl": {
    "h": 210.638,
    "s": 60.256,
    "l": 30.588
  },
  "oklch": {
    "l": 0.41369,
    "c": 0.0949,
    "h": 252
  },
  "luminance": 0.0708
}

Semantic roles & 50–950 ramp

primary

#1F4D7D

secondary

#B07D48

accent

#9644E3

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F4D7D

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

Preview Lab → · Contrast checker → · Palette generator →