#1B4877#1B4877

#1B4877 is a dark, moderate cyan. Relative luminance 0.062; OKLCH L 39.6% C 0.094 H 252.2°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B4877
RGB	rgb(27, 72, 119)
HSL	hsl(211, 63%, 29%)
HSV	hsv(211, 77%, 47%)
CMYK	cmyk(77.3%, 39.5%, 0%, 53.3%)
CIE-LAB	lab(29.91, 2.28, -31.27)
CIE-LCH	lch(29.91, 31.35, 274.17°)
OKLab	oklab(39.59% -0.0286 -0.0891)
OKLCH	oklch(39.59% 0.094 252.2)
XYZ	xyz(6.0979, 6.1990, 18.3243)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4877 #774A1B

analogous

#1B7677 #1B4877 #1C1B77

triadic

#1B4877 #771B48 #48771B

tetradic

#1B4877 #771B76 #774A1B #1B771C

square

#1B4877 #771B76 #774A1B #1B771C

split-complementary

#1B4877 #771C1B #76771B

monochromatic

#060F19 #102A45 #1B4877 #2666A9 #3A85D2

Accessibility & contrast

On white

9.38

#1B4877 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#1B4877 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4877

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4877	#FFFFFF	#000000	##FFFFFF
##1B4877	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324B79

Deuteranopia (green-blind)

#244376

Tritanopia (blue-blind)

#005359

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4877;
/* rgb */ color: rgb(27, 72, 119);
/* oklch */ color: oklch(39.6% 0.094 252.2);

Tailwind

colors: {
  custom: {
    50: '#657a9e',
    500: '#1b4877',
    950: '#000000',
  },
}

SCSS

$custom: #1b4877;
$custom-light: #657a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4877",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 119
  },
  "hsl": {
    "h": 210.652,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.39592,
    "c": 0.09358,
    "h": 252.2
  },
  "luminance": 0.062
}

Semantic roles & 50–950 ramp

primary

#1B4877

secondary

#AB7842

accent

#9642E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4877

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

Preview Lab → · Contrast checker → · Palette generator →