#1B5176#1B5176

#1B5176 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.8% C 0.083 H 242.7°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B5176
RGB	rgb(27, 81, 118)
HSL	hsl(204, 63%, 28%)
HSV	hsv(204, 77%, 46%)
CMYK	cmyk(77.1%, 31.4%, 0%, 53.7%)
CIE-LAB	lab(32.76, -3.99, -26.15)
CIE-LCH	lch(32.76, 26.45, 261.33°)
OKLab	oklab(41.81% -0.0382 -0.074)
OKLCH	oklch(41.81% 0.083 242.7)
XYZ	xyz(6.6632, 7.4251, 18.2180)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5176 #76401B

analogous

#1B766D #1B5176 #1B2376

triadic

#1B5176 #761B51 #51761B

tetradic

#1B5176 #6D1B76 #76401B #23761B

square

#1B5176 #6D1B76 #76401B #23761B

split-complementary

#1B5176 #761B23 #766D1B

monochromatic

#061119 #102F44 #1B5176 #2673A8 #3A94D2

Accessibility & contrast

On white

8.45

#1B5176 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1B5176 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5176

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5176	#FFFFFF	#000000	##FFFFFF
##1B5176	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405278

Deuteranopia (green-blind)

#334975

Tritanopia (blue-blind)

#005A5E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b5176;
/* rgb */ color: rgb(27, 81, 118);
/* oklch */ color: oklch(41.8% 0.083 242.7);

Tailwind

colors: {
  custom: {
    50: '#65819d',
    500: '#1b5176',
    950: '#000000',
  },
}

SCSS

$custom: #1b5176;
$custom-light: #65819d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5176",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 118
  },
  "hsl": {
    "h": 204.396,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41812,
    "c": 0.08327,
    "h": 242.7
  },
  "luminance": 0.07426
}

Semantic roles & 50–950 ramp

primary

#1B5176

secondary

#AA6D42

accent

#8542E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1B5176

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

Preview Lab → · Contrast checker → · Palette generator →