#1B4D76#1B4D76

#1B4D76 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.8% C 0.087 H 247.0°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#1B4D76
RGB	rgb(27, 77, 118)
HSL	hsl(207, 63%, 28%)
HSV	hsv(207, 77%, 46%)
CMYK	cmyk(77.1%, 34.7%, 0%, 53.7%)
CIE-LAB	lab(31.46, -1.42, -28.19)
CIE-LCH	lch(31.46, 28.22, 267.12°)
OKLab	oklab(40.79% -0.034 -0.08)
OKLCH	oklch(40.79% 0.087 247)
XYZ	xyz(6.3746, 6.8480, 18.1219)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4D76 #76441B

analogous

#1B7671 #1B4D76 #1B1F76

triadic

#1B4D76 #761B4D #4D761B

tetradic

#1B4D76 #711B76 #76441B #1F761B

square

#1B4D76 #711B76 #76441B #1F761B

split-complementary

#1B4D76 #761B1F #76711B

monochromatic

#061019 #102C44 #1B4D76 #266DA8 #3A8DD2

Accessibility & contrast

On white

8.86

#1B4D76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#1B4D76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4D76

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4D76	#FFFFFF	#000000	##FFFFFF
##1B4D76	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4F78

Deuteranopia (green-blind)

#2D4675

Tritanopia (blue-blind)

#00575C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4d76;
/* rgb */ color: rgb(27, 77, 118);
/* oklch */ color: oklch(40.8% 0.087 247.0);

Tailwind

colors: {
  custom: {
    50: '#657e9d',
    500: '#1b4d76',
    950: '#000000',
  },
}

SCSS

$custom: #1b4d76;
$custom-light: #657e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4d76",
  "rgb": {
    "r": 27,
    "g": 77,
    "b": 118
  },
  "hsl": {
    "h": 207.033,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.40789,
    "c": 0.08694,
    "h": 247
  },
  "luminance": 0.06849
}

Semantic roles & 50–950 ramp

primary

#1B4D76

secondary

#AA7142

accent

#8C42E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090E

muted

#7A7B7E

Preview Lab

Preview with #1B4D76

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

Preview Lab → · Contrast checker → · Palette generator →