#1C507F#1C507F

#1C507F is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.1% C 0.096 H 249.3°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C507F
RGB	rgb(28, 80, 127)
HSL	hsl(208, 64%, 30%)
HSV	hsv(208, 78%, 50%)
CMYK	cmyk(78%, 37%, 0%, 50.2%)
CIE-LAB	lab(32.95, 0.33, -31.42)
CIE-LCH	lch(32.95, 31.42, 270.60°)
OKLab	oklab(42.14% -0.0337 -0.0894)
OKLCH	oklch(42.14% 0.096 249.3)
XYZ	xyz(7.1769, 7.5157, 21.1470)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C507F #7F4B1C

analogous

#1C7F7C #1C507F #1C1E7F

triadic

#1C507F #7F1C50 #507F1C

tetradic

#1C507F #7C1C7F #7F4B1C #1E7F1C

square

#1C507F #7C1C7F #7F4B1C #1E7F1C

split-complementary

#1C507F #7F1C1E #7F7C1C

monochromatic

#06111B #11304D #1C507F #2770B1 #408ED5

Accessibility & contrast

On white

8.39

#1C507F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1C507F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C507F

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C507F	#FFFFFF	#000000	##FFFFFF
##1C507F	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5381

Deuteranopia (green-blind)

#2C497E

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c507f;
/* rgb */ color: rgb(28, 80, 127);
/* oklch */ color: oklch(42.1% 0.096 249.3);

Tailwind

colors: {
  custom: {
    50: '#6780a4',
    500: '#1c507f',
    950: '#000000',
  },
}

SCSS

$custom: #1c507f;
$custom-light: #6780a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c507f",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 127
  },
  "hsl": {
    "h": 208.485,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.42137,
    "c": 0.09555,
    "h": 249.3
  },
  "luminance": 0.07517
}

Semantic roles & 50–950 ramp

primary

#1C507F

secondary

#B37944

accent

#9041E7

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1C507F

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

Preview Lab → · Contrast checker → · Palette generator →