#1F477B#1F477B

#1F477B is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.8% C 0.099 H 256.1°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F477B
RGB	rgb(31, 71, 123)
HSL	hsl(214, 60%, 30%)
HSV	hsv(214, 75%, 48%)
CMYK	cmyk(74.8%, 42.3%, 0%, 51.8%)
CIE-LAB	lab(29.98, 5.15, -33.65)
CIE-LCH	lch(29.98, 34.05, 278.70°)
OKLab	oklab(39.77% -0.0238 -0.0961)
OKLCH	oklch(39.77% 0.099 256.1)
XYZ	xyz(6.3922, 6.2271, 19.6001)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F477B #7B531F

analogous

#1F757B #1F477B #251F7B

triadic

#1F477B #7B1F47 #477B1F

tetradic

#1F477B #7B1F75 #7B531F #1F7B25

square

#1F477B #7B1F75 #7B531F #1F7B25

split-complementary

#1F477B #7B251F #757B1F

monochromatic

#060F19 #132B4A #1F477B #2B63AC #4481D0

Accessibility & contrast

On white

9.35

#1F477B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1F477B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F477B

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F477B	#FFFFFF	#000000	##FFFFFF
##1F477B	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4B7D

Deuteranopia (green-blind)

#20437A

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f477b;
/* rgb */ color: rgb(31, 71, 123);
/* oklch */ color: oklch(39.8% 0.099 256.1);

Tailwind

colors: {
  custom: {
    50: '#6879a1',
    500: '#1f477b',
    950: '#000000',
  },
}

SCSS

$custom: #1f477b;
$custom-light: #6879a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f477b",
  "rgb": {
    "r": 31,
    "g": 71,
    "b": 123
  },
  "hsl": {
    "h": 213.913,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.39765,
    "c": 0.09895,
    "h": 256.1
  },
  "luminance": 0.06228
}

Semantic roles & 50–950 ramp

primary

#1F477B

secondary

#AE8248

accent

#9E45E3

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1F477B

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

Preview Lab → · Contrast checker → · Palette generator →