#1F4E7C#1F4E7C

#1F4E7C is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.6% C 0.092 H 250.6°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E7C
RGB	rgb(31, 78, 124)
HSL	hsl(210, 60%, 30%)
HSV	hsv(210, 75%, 49%)
CMYK	cmyk(75%, 37.1%, 0%, 51.4%)
CIE-LAB	lab(32.25, 0.89, -30.67)
CIE-LCH	lch(32.25, 30.69, 271.66°)
OKLab	oklab(41.55% -0.0306 -0.0872)
OKLCH	oklch(41.55% 0.092 250.6)
XYZ	xyz(6.9262, 7.1946, 20.0885)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E7C #7C4D1F

analogous

#1F7C7B #1F4E7C #1F207C

triadic

#1F4E7C #7C1F4E #4E7C1F

tetradic

#1F4E7C #7B1F7C #7C4D1F #207C1F

square

#1F4E7C #7B1F7C #7C4D1F #207C1F

split-complementary

#1F4E7C #7C1F20 #7C7B1F

monochromatic

#07101A #132F4B #1F4E7C #2B6DAD #458BD0

Accessibility & contrast

On white

8.61

#1F4E7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F4E7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E7C

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E7C	#FFFFFF	#000000	##FFFFFF
##1F4E7C	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39517E

Deuteranopia (green-blind)

#2B487B

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f4e7c;
/* rgb */ color: rgb(31, 78, 124);
/* oklch */ color: oklch(41.6% 0.092 250.6);

Tailwind

colors: {
  custom: {
    50: '#687fa2',
    500: '#1f4e7c',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e7c;
$custom-light: #687fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e7c",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 124
  },
  "hsl": {
    "h": 209.677,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.41554,
    "c": 0.09244,
    "h": 250.6
  },
  "luminance": 0.07195
}

Semantic roles & 50–950 ramp

primary

#1F4E7C

secondary

#AF7B48

accent

#9345E3

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1F4E7C

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

Preview Lab → · Contrast checker → · Palette generator →