#1C447B#1C447B

#1C447B is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.9% C 0.104 H 257.2°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#1C447B
RGB	rgb(28, 68, 123)
HSL	hsl(215, 63%, 30%)
HSV	hsv(215, 77%, 48%)
CMYK	cmyk(77.2%, 44.7%, 0%, 51.8%)
CIE-LAB	lab(28.93, 6.74, -35.34)
CIE-LCH	lch(28.93, 35.97, 280.80°)
OKLab	oklab(38.92% -0.023 -0.1011)
OKLCH	oklch(38.92% 0.104 257.2)
XYZ	xyz(6.1199, 5.8105, 19.5341)
Luminance	0.0581 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C447B #7B531C

analogous

#1C747B #1C447B #241C7B

triadic

#1C447B #7B1C44 #447B1C

tetradic

#1C447B #7B1C74 #7B531C #1C7B24

square

#1C447B #7B1C74 #7B531C #1C7B24

split-complementary

#1C447B #7B241C #747B1C

monochromatic

#060E19 #112849 #1C447B #2760AD #3E7DD3

Accessibility & contrast

On white

9.71

#1C447B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1C447B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C447B

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C447B	#FFFFFF	#000000	##FFFFFF
##1C447B	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29497D

Deuteranopia (green-blind)

#18407A

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c447b;
/* rgb */ color: rgb(28, 68, 123);
/* oklch */ color: oklch(38.9% 0.104 257.2);

Tailwind

colors: {
  custom: {
    50: '#6777a1',
    500: '#1c447b',
    950: '#000000',
  },
}

SCSS

$custom: #1c447b;
$custom-light: #6777a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c447b",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 123
  },
  "hsl": {
    "h": 214.737,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.38919,
    "c": 0.10369,
    "h": 257.2
  },
  "luminance": 0.05811
}

Semantic roles & 50–950 ramp

primary

#1C447B

secondary

#AF8244

accent

#A142E6

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C447B

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

Preview Lab → · Contrast checker → · Palette generator →