#1B4876#1B4876

#1B4876 is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.5% C 0.092 H 251.7°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#1B4876
RGB	rgb(27, 72, 118)
HSL	hsl(210, 63%, 28%)
HSV	hsv(210, 77%, 46%)
CMYK	cmyk(77.1%, 39%, 0%, 53.7%)
CIE-LAB	lab(29.85, 1.88, -30.73)
CIE-LCH	lch(29.85, 30.79, 273.50°)
OKLab	oklab(39.53% -0.0289 -0.0875)
OKLCH	oklch(39.53% 0.092 251.7)
XYZ	xyz(6.0381, 6.1751, 18.0097)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4876 #76491B

analogous

#1B7576 #1B4876 #1B1B76

triadic

#1B4876 #761B48 #48761B

tetradic

#1B4876 #761B75 #76491B #1B761B

square

#1B4876 #761B75 #76491B #1B761B

split-complementary

#1B4876 #761B1B #75761B

monochromatic

#060F19 #102A44 #1B4876 #2666A8 #3A85D2

Accessibility & contrast

On white

9.40

#1B4876 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1B4876 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4876

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4876	#FFFFFF	#000000	##FFFFFF
##1B4876	1.00	9.40	2.24	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334B78

Deuteranopia (green-blind)

#254275

Tritanopia (blue-blind)

#005359

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4876;
/* rgb */ color: rgb(27, 72, 118);
/* oklch */ color: oklch(39.5% 0.092 251.7);

Tailwind

colors: {
  custom: {
    50: '#657a9e',
    500: '#1b4876',
    950: '#000000',
  },
}

SCSS

$custom: #1b4876;
$custom-light: #657a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4876",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 118
  },
  "hsl": {
    "h": 210.33,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39526,
    "c": 0.09218,
    "h": 251.7
  },
  "luminance": 0.06176
}

Semantic roles & 50–950 ramp

primary

#1B4876

secondary

#AA7742

accent

#9542E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4876

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

Preview Lab → · Contrast checker → · Palette generator →