#1B4E86#1B4E86

#1B4E86 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.1% C 0.108 H 253.5°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E86
RGB	rgb(27, 78, 134)
HSL	hsl(211, 66%, 32%)
HSV	hsv(211, 80%, 53%)
CMYK	cmyk(79.9%, 41.8%, 0%, 47.5%)
CIE-LAB	lab(32.71, 4.31, -36.14)
CIE-LCH	lch(32.71, 36.39, 276.80°)
OKLab	oklab(42.07% -0.0305 -0.1033)
OKLCH	oklch(42.07% 0.108 253.5)
XYZ	xyz(7.4778, 7.4021, 23.5843)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E86 #86531B

analogous

#1B8486 #1B4E86 #1E1B86

triadic

#1B4E86 #861B4E #4E861B

tetradic

#1B4E86 #861B84 #86531B #1B861E

square

#1B4E86 #861B84 #86531B #1B861E

split-complementary

#1B4E86 #861E1B #84861B

monochromatic

#061320 #113053 #1B4E86 #256CB9 #428AD9

Accessibility & contrast

On white

8.47

#1B4E86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#1B4E86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E86

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E86	#FFFFFF	#000000	##FFFFFF
##1B4E86	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335288

Deuteranopia (green-blind)

#214885

Tritanopia (blue-blind)

#005B63

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b4e86;
/* rgb */ color: rgb(27, 78, 134);
/* oklch */ color: oklch(42.1% 0.108 253.5);

Tailwind

colors: {
  custom: {
    50: '#697fa9',
    500: '#1b4e86',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e86;
$custom-light: #697fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e86",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 134
  },
  "hsl": {
    "h": 211.402,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42068,
    "c": 0.10769,
    "h": 253.5
  },
  "luminance": 0.07403
}

Semantic roles & 50–950 ramp

primary

#1B4E86

secondary

#B98144

accent

#983EE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B4E86

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

Preview Lab → · Contrast checker → · Palette generator →