#1B4E93#1B4E93

#1B4E93 is a dark, vivid cyan. Relative luminance 0.078; OKLCH L 43.0% C 0.126 H 257.3°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E93
RGB	rgb(27, 78, 147)
HSL	hsl(215, 69%, 34%)
HSV	hsv(215, 82%, 58%)
CMYK	cmyk(81.6%, 46.9%, 0%, 42.4%)
CIE-LAB	lab(33.54, 9.56, -42.76)
CIE-LCH	lch(33.54, 43.82, 282.60°)
OKLab	oklab(42.98% -0.0277 -0.1227)
OKLCH	oklch(42.98% 0.126 257.3)
XYZ	xyz(8.4409, 7.7874, 28.6563)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E93 #93601B

analogous

#1B8A93 #1B4E93 #241B93

triadic

#1B4E93 #931B4E #4E931B

tetradic

#1B4E93 #931B8A #93601B #1B9324

square

#1B4E93 #931B8A #93601B #1B9324

split-complementary

#1B4E93 #93241B #8A931B

monochromatic

#08172C #12335F #1B4E93 #2469C7 #4B89DE

Accessibility & contrast

On white

8.21

#1B4E93 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1B4E93 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E93

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E93	#FFFFFF	#000000	##FFFFFF
##1B4E93	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295596

Deuteranopia (green-blind)

#0A4A92

Tritanopia (blue-blind)

#005E69

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b4e93;
/* rgb */ color: rgb(27, 78, 147);
/* oklch */ color: oklch(43.0% 0.126 257.3);

Tailwind

colors: {
  custom: {
    50: '#6c7fb3',
    500: '#1b4e93',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e93;
$custom-light: #6c7fb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e93",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 147
  },
  "hsl": {
    "h": 214.5,
    "s": 68.966,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42981,
    "c": 0.12584,
    "h": 257.3
  },
  "luminance": 0.07788
}

Semantic roles & 50–950 ramp

primary

#1B4E93

secondary

#C08E4A

accent

#A13CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B4E93

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

Preview Lab → · Contrast checker → · Palette generator →