#1C477B#1C477B

#1C477B is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.6% C 0.100 H 255.0°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C477B
RGB	rgb(28, 71, 123)
HSL	hsl(213, 63%, 30%)
HSV	hsv(213, 77%, 48%)
CMYK	cmyk(77.2%, 42.3%, 0%, 51.8%)
CIE-LAB	lab(29.87, 4.70, -33.83)
CIE-LCH	lch(29.87, 34.16, 277.92°)
OKLab	oklab(39.65% -0.0259 -0.0966)
OKLCH	oklch(39.65% 0.1 255)
XYZ	xyz(6.3060, 6.1827, 19.5961)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C477B #7B501C

analogous

#1C777B #1C477B #201C7B

triadic

#1C477B #7B1C47 #477B1C

tetradic

#1C477B #7B1C77 #7B501C #1C7B20

square

#1C477B #7B1C77 #7B501C #1C7B20

split-complementary

#1C477B #7B201C #777B1C

monochromatic

#060E19 #112A49 #1C477B #2764AD #3E82D3

Accessibility & contrast

On white

9.39

#1C477B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1C477B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C477B

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C477B	#FFFFFF	#000000	##FFFFFF
##1C477B	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4B7D

Deuteranopia (green-blind)

#1F427A

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1c477b;
/* rgb */ color: rgb(28, 71, 123);
/* oklch */ color: oklch(39.6% 0.100 255.0);

Tailwind

colors: {
  custom: {
    50: '#6679a1',
    500: '#1c477b',
    950: '#000000',
  },
}

SCSS

$custom: #1c477b;
$custom-light: #6679a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c477b",
  "rgb": {
    "r": 28,
    "g": 71,
    "b": 123
  },
  "hsl": {
    "h": 212.842,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.39649,
    "c": 0.10006,
    "h": 255
  },
  "luminance": 0.06183
}

Semantic roles & 50–950 ramp

primary

#1C477B

secondary

#AF7E44

accent

#9C42E6

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1C477B

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

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