#1B4E76#1B4E76

#1B4E76 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.086 H 245.9°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E76
RGB	rgb(27, 78, 118)
HSL	hsl(206, 63%, 28%)
HSV	hsv(206, 77%, 46%)
CMYK	cmyk(77.1%, 33.9%, 0%, 53.7%)
CIE-LAB	lab(31.78, -2.07, -27.68)
CIE-LCH	lch(31.78, 27.75, 265.73°)
OKLab	oklab(41.04% -0.035 -0.0785)
OKLCH	oklch(41.04% 0.086 245.9)
XYZ	xyz(6.4451, 6.9891, 18.1454)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E76 #76431B

analogous

#1B7670 #1B4E76 #1B2076

triadic

#1B4E76 #761B4E #4E761B

tetradic

#1B4E76 #701B76 #76431B #20761B

square

#1B4E76 #701B76 #76431B #20761B

split-complementary

#1B4E76 #761B20 #76701B

monochromatic

#061019 #102D44 #1B4E76 #266FA8 #3A8FD2

Accessibility & contrast

On white

8.76

#1B4E76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1B4E76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E76

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E76	#FFFFFF	#000000	##FFFFFF
##1B4E76	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4F78

Deuteranopia (green-blind)

#2F4775

Tritanopia (blue-blind)

#00585C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b4e76;
/* rgb */ color: rgb(27, 78, 118);
/* oklch */ color: oklch(41.0% 0.086 245.9);

Tailwind

colors: {
  custom: {
    50: '#657f9d',
    500: '#1b4e76',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e76;
$custom-light: #657f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e76",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 118
  },
  "hsl": {
    "h": 206.374,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41044,
    "c": 0.08598,
    "h": 245.9
  },
  "luminance": 0.0699
}

Semantic roles & 50–950 ramp

primary

#1B4E76

secondary

#AA7042

accent

#8A42E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1B4E76

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

Preview Lab → · Contrast checker → · Palette generator →