#1B4C8D#1B4C8D

#1B4C8D is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 42.1% C 0.120 H 256.9°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#1B4C8D
RGB	rgb(27, 76, 141)
HSL	hsl(214, 68%, 33%)
HSV	hsv(214, 81%, 55%)
CMYK	cmyk(80.9%, 46.1%, 0%, 44.7%)
CIE-LAB	lab(32.53, 8.48, -40.71)
CIE-LCH	lch(32.53, 41.58, 281.76°)
OKLab	oklab(42.08% -0.0272 -0.1168)
OKLCH	oklch(42.08% 0.12 256.9)
XYZ	xyz(7.8424, 7.3241, 26.1945)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4C8D #8D5C1B

analogous

#1B858D #1B4C8D #231B8D

triadic

#1B4C8D #8D1B4C #4C8D1B

tetradic

#1B4C8D #8D1B85 #8D5C1B #1B8D23

square

#1B4C8D #8D1B85 #8D5C1B #1B8D23

split-complementary

#1B4C8D #8D231B #858D1B

monochromatic

#071526 #11305A #1B4C8D #2568C0 #4787DC

Accessibility & contrast

On white

8.52

#1B4C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1B4C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4C8D

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4C8D	#FFFFFF	#000000	##FFFFFF
##1B4C8D	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A528F

Deuteranopia (green-blind)

#11488C

Tritanopia (blue-blind)

#005B65

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b4c8d;
/* rgb */ color: rgb(27, 76, 141);
/* oklch */ color: oklch(42.1% 0.120 256.9);

Tailwind

colors: {
  custom: {
    50: '#6a7daf',
    500: '#1b4c8d',
    950: '#000000',
  },
}

SCSS

$custom: #1b4c8d;
$custom-light: #6a7daf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4c8d",
  "rgb": {
    "r": 27,
    "g": 76,
    "b": 141
  },
  "hsl": {
    "h": 214.211,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42078,
    "c": 0.11988,
    "h": 256.9
  },
  "luminance": 0.07325
}

Semantic roles & 50–950 ramp

primary

#1B4C8D

secondary

#BD8A46

accent

#A03DEB

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1B4C8D

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

Preview Lab → · Contrast checker → · Palette generator →