#1F4E7A#1F4E7A

#1F4E7A is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.090 H 249.6°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E7A
RGB	rgb(31, 78, 122)
HSL	hsl(209, 59%, 30%)
HSV	hsv(209, 75%, 48%)
CMYK	cmyk(74.6%, 36.1%, 0%, 52.2%)
CIE-LAB	lab(32.13, 0.11, -29.61)
CIE-LCH	lch(32.13, 29.61, 270.20°)
OKLab	oklab(41.43% -0.0312 -0.0841)
OKLCH	oklch(41.43% 0.09 249.6)
XYZ	xyz(6.8010, 7.1445, 19.4292)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E7A #7A4B1F

analogous

#1F7A78 #1F4E7A #1F217A

triadic

#1F4E7A #7A1F4E #4E7A1F

tetradic

#1F4E7A #781F7A #7A4B1F #217A1F

square

#1F4E7A #781F7A #7A4B1F #217A1F

split-complementary

#1F4E7A #7A1F21 #7A781F

monochromatic

#061018 #132F49 #1F4E7A #2B6DAB #448CCF

Accessibility & contrast

On white

8.65

#1F4E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1F4E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E7A

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E7A	#FFFFFF	#000000	##FFFFFF
##1F4E7A	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A507C

Deuteranopia (green-blind)

#2D4879

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f4e7a;
/* rgb */ color: rgb(31, 78, 122);
/* oklch */ color: oklch(41.4% 0.090 249.6);

Tailwind

colors: {
  custom: {
    50: '#677fa0',
    500: '#1f4e7a',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e7a;
$custom-light: #677fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e7a",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 122
  },
  "hsl": {
    "h": 209.011,
    "s": 59.477,
    "l": 30
  },
  "oklch": {
    "l": 0.41429,
    "c": 0.08971,
    "h": 249.6
  },
  "luminance": 0.07145
}

Semantic roles & 50–950 ramp

primary

#1F4E7A

secondary

#AD7947

accent

#9145E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #1F4E7A

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

Preview Lab → · Contrast checker → · Palette generator →