#1C518B#1C518B

#1C518B is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.2% C 0.111 H 253.5°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#1C518B
RGB	rgb(28, 81, 139)
HSL	hsl(211, 66%, 33%)
HSV	hsv(211, 80%, 55%)
CMYK	cmyk(79.9%, 41.7%, 0%, 45.5%)
CIE-LAB	lab(33.97, 4.45, -37.18)
CIE-LCH	lch(33.97, 37.45, 276.83°)
OKLab	oklab(43.16% -0.0315 -0.1063)
OKLCH	oklch(43.16% 0.111 253.5)
XYZ	xyz(8.0798, 7.9949, 25.5384)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C518B #8B561C

analogous

#1C898B #1C518B #1E1C8B

triadic

#1C518B #8B1C51 #518B1C

tetradic

#1C518B #8B1C89 #8B561C #1C8B1E

square

#1C518B #8B1C89 #8B561C #1C8B1E

split-complementary

#1C518B #8B1E1C #898B1C

monochromatic

#071625 #123358 #1C518B #266FBE #478DDA

Accessibility & contrast

On white

8.08

#1C518B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1C518B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C518B

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C518B	#FFFFFF	#000000	##FFFFFF
##1C518B	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35558D

Deuteranopia (green-blind)

#224B8A

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1c518b;
/* rgb */ color: rgb(28, 81, 139);
/* oklch */ color: oklch(43.2% 0.111 253.5);

Tailwind

colors: {
  custom: {
    50: '#6a81ad',
    500: '#1c518b',
    950: '#000000',
  },
}

SCSS

$custom: #1c518b;
$custom-light: #6a81ad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c518b",
  "rgb": {
    "r": 28,
    "g": 81,
    "b": 139
  },
  "hsl": {
    "h": 211.351,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43163,
    "c": 0.11085,
    "h": 253.5
  },
  "luminance": 0.07996
}

Semantic roles & 50–950 ramp

primary

#1C518B

secondary

#BC8447

accent

#983EE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C518B

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

Preview Lab → · Contrast checker → · Palette generator →