#1B4776#1B4776

#1B4776 is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 39.3% C 0.093 H 252.6°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B4776
RGB	rgb(27, 71, 118)
HSL	hsl(211, 63%, 28%)
HSV	hsv(211, 77%, 46%)
CMYK	cmyk(77.1%, 39.8%, 0%, 53.7%)
CIE-LAB	lab(29.53, 2.55, -31.24)
CIE-LCH	lch(29.53, 31.35, 274.66°)
OKLab	oklab(39.28% -0.0279 -0.089)
OKLCH	oklch(39.28% 0.093 252.6)
XYZ	xyz(5.9740, 6.0468, 17.9883)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4776 #764A1B

analogous

#1B7476 #1B4776 #1C1B76

triadic

#1B4776 #761B47 #47761B

tetradic

#1B4776 #761B74 #764A1B #1B761C

square

#1B4776 #761B74 #764A1B #1B761C

split-complementary

#1B4776 #761C1B #74761B

monochromatic

#060F19 #102944 #1B4776 #2665A8 #3A83D2

Accessibility & contrast

On white

9.50

#1B4776 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1B4776 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4776

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4776	#FFFFFF	#000000	##FFFFFF
##1B4776	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314A78

Deuteranopia (green-blind)

#234275

Tritanopia (blue-blind)

#005258

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4776;
/* rgb */ color: rgb(27, 71, 118);
/* oklch */ color: oklch(39.3% 0.093 252.6);

Tailwind

colors: {
  custom: {
    50: '#65799e',
    500: '#1b4776',
    950: '#000000',
  },
}

SCSS

$custom: #1b4776;
$custom-light: #65799e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4776",
  "rgb": {
    "r": 27,
    "g": 71,
    "b": 118
  },
  "hsl": {
    "h": 210.989,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.39276,
    "c": 0.0933,
    "h": 252.6
  },
  "luminance": 0.06047
}

Semantic roles & 50–950 ramp

primary

#1B4776

secondary

#AA7842

accent

#9742E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4776

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

Preview Lab → · Contrast checker → · Palette generator →