#1C507B#1C507B

#1C507B is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.9% C 0.090 H 247.2°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C507B
RGB	rgb(28, 80, 123)
HSL	hsl(207, 63%, 30%)
HSV	hsv(207, 77%, 48%)
CMYK	cmyk(77.2%, 35%, 0%, 51.8%)
CIE-LAB	lab(32.73, -1.25, -29.29)
CIE-LCH	lch(32.73, 29.32, 267.56°)
OKLab	oklab(41.89% -0.0349 -0.0832)
OKLCH	oklch(41.89% 0.09 247.2)
XYZ	xyz(6.9213, 7.4135, 19.8012)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C507B #7B471C

analogous

#1C7B77 #1C507B #1C207B

triadic

#1C507B #7B1C50 #507B1C

tetradic

#1C507B #771C7B #7B471C #207B1C

square

#1C507B #771C7B #7B471C #207B1C

split-complementary

#1C507B #7B1C20 #7B771C

monochromatic

#061019 #113049 #1C507B #2770AD #3E90D3

Accessibility & contrast

On white

8.46

#1C507B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1C507B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C507B

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C507B	#FFFFFF	#000000	##FFFFFF
##1C507B	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C527D

Deuteranopia (green-blind)

#2F497A

Tritanopia (blue-blind)

#005A60

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1c507b;
/* rgb */ color: rgb(28, 80, 123);
/* oklch */ color: oklch(41.9% 0.090 247.2);

Tailwind

colors: {
  custom: {
    50: '#6780a1',
    500: '#1c507b',
    950: '#000000',
  },
}

SCSS

$custom: #1c507b;
$custom-light: #6780a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c507b",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 123
  },
  "hsl": {
    "h": 207.158,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41888,
    "c": 0.09022,
    "h": 247.2
  },
  "luminance": 0.07414
}

Semantic roles & 50–950 ramp

primary

#1C507B

secondary

#AF7444

accent

#8C42E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #1C507B

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

Preview Lab → · Contrast checker → · Palette generator →