#1B4B86#1B4B86

#1B4B86 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.3% C 0.111 H 255.5°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B4B86
RGB	rgb(27, 75, 134)
HSL	hsl(213, 66%, 32%)
HSV	hsv(213, 80%, 53%)
CMYK	cmyk(79.9%, 44%, 0%, 47.5%)
CIE-LAB	lab(31.77, 6.32, -37.62)
CIE-LCH	lch(31.77, 38.15, 279.53°)
OKLab	oklab(41.34% -0.0278 -0.1077)
OKLCH	oklch(41.34% 0.111 255.5)
XYZ	xyz(7.2696, 6.9855, 23.5148)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4B86 #86561B

analogous

#1B8186 #1B4B86 #201B86

triadic

#1B4B86 #861B4B #4B861B

tetradic

#1B4B86 #861B81 #86561B #1B8620

square

#1B4B86 #861B81 #86561B #1B8620

split-complementary

#1B4B86 #86201B #81861B

monochromatic

#061220 #112E53 #1B4B86 #2568B9 #4286D9

Accessibility & contrast

On white

8.76

#1B4B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#1B4B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4B86

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4B86	#FFFFFF	#000000	##FFFFFF
##1B4B86	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)

#2E5088

Deuteranopia (green-blind)

#1A4685

Tritanopia (blue-blind)

#005962

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b4b86;
/* rgb */ color: rgb(27, 75, 134);
/* oklch */ color: oklch(41.3% 0.111 255.5);

Tailwind

colors: {
  custom: {
    50: '#697ca9',
    500: '#1b4b86',
    950: '#000000',
  },
}

SCSS

$custom: #1b4b86;
$custom-light: #697ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4b86",
  "rgb": {
    "r": 27,
    "g": 75,
    "b": 134
  },
  "hsl": {
    "h": 213.084,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41344,
    "c": 0.11123,
    "h": 255.5
  },
  "luminance": 0.06986
}

Semantic roles & 50–950 ramp

primary

#1B4B86

secondary

#B98444

accent

#9D3EE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #1B4B86

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

Preview Lab → · Contrast checker → · Palette generator →