#1F477E#1F477E

#1F477E is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 40.0% C 0.103 H 257.1°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#1F477E
RGB	rgb(31, 71, 126)
HSL	hsl(215, 61%, 31%)
HSV	hsv(215, 75%, 49%)
CMYK	cmyk(75.4%, 43.7%, 0%, 50.6%)
CIE-LAB	lab(30.17, 6.35, -35.23)
CIE-LCH	lch(30.17, 35.79, 280.21°)
OKLab	oklab(39.97% -0.0231 -0.1007)
OKLCH	oklch(39.97% 0.103 257.1)
XYZ	xyz(6.5828, 6.3034, 20.6044)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F477E #7E561F

analogous

#1F767E #1F477E #261F7E

triadic

#1F477E #7E1F47 #477E1F

tetradic

#1F477E #7E1F76 #7E561F #1F7E26

square

#1F477E #7E1F76 #7E561F #1F7E26

split-complementary

#1F477E #7E261F #767E1F

monochromatic

#07101C #132B4D #1F477E #2B63AF #4681D1

Accessibility & contrast

On white

9.29

#1F477E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1F477E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F477E

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F477E	#FFFFFF	#000000	##FFFFFF
##1F477E	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4C80

Deuteranopia (green-blind)

#1C437D

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f477e;
/* rgb */ color: rgb(31, 71, 126);
/* oklch */ color: oklch(40.0% 0.103 257.1);

Tailwind

colors: {
  custom: {
    50: '#6879a4',
    500: '#1f477e',
    950: '#000000',
  },
}

SCSS

$custom: #1f477e;
$custom-light: #6879a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f477e",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 126
  },
  "hsl": {
    "h": 214.737,
    "s": 60.51,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3997,
    "c": 0.10329,
    "h": 257.1
  },
  "luminance": 0.06304
}

Semantic roles & 50–950 ramp

primary

#1F477E

secondary

#B18548

accent

#A044E4

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F477E

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

Preview Lab → · Contrast checker → · Palette generator →