#1C517D#1C517D

#1C517D is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.3% C 0.092 H 247.4°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#1C517D
RGB	rgb(28, 81, 125)
HSL	hsl(207, 63%, 30%)
HSV	hsv(207, 78%, 49%)
CMYK	cmyk(77.6%, 35.2%, 0%, 51%)
CIE-LAB	lab(33.16, -1.11, -29.85)
CIE-LCH	lch(33.16, 29.88, 267.87°)
OKLab	oklab(42.26% -0.0353 -0.0848)
OKLCH	oklch(42.26% 0.092 247.4)
XYZ	xyz(7.1216, 7.6116, 20.4919)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C517D #7D481C

analogous

#1C7D78 #1C517D #1C217D

triadic

#1C517D #7D1C51 #517D1C

tetradic

#1C517D #781C7D #7D481C #217D1C

square

#1C517D #781C7D #7D481C #217D1C

split-complementary

#1C517D #7D1C21 #7D781C

monochromatic

#061019 #11314B #1C517D #2771AF #3F91D4

Accessibility & contrast

On white

8.33

#1C517D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1C517D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C517D

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C517D	#FFFFFF	#000000	##FFFFFF
##1C517D	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D537F

Deuteranopia (green-blind)

#2F4A7C

Tritanopia (blue-blind)

#005C61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c517d;
/* rgb */ color: rgb(28, 81, 125);
/* oklch */ color: oklch(42.3% 0.092 247.4);

Tailwind

colors: {
  custom: {
    50: '#6781a3',
    500: '#1c517d',
    950: '#000000',
  },
}

SCSS

$custom: #1c517d;
$custom-light: #6781a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c517d",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 125
  },
  "hsl": {
    "h": 207.216,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.42263,
    "c": 0.09187,
    "h": 247.4
  },
  "luminance": 0.07612
}

Semantic roles & 50–950 ramp

primary

#1C517D

secondary

#B17544

accent

#8C41E6

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1C517D

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

Preview Lab → · Contrast checker → · Palette generator →