#1B4E89#1B4E89

#1B4E89 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.112 H 254.5°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E89
RGB	rgb(27, 78, 137)
HSL	hsl(212, 67%, 32%)
HSV	hsv(212, 80%, 54%)
CMYK	cmyk(80.3%, 43.1%, 0%, 46.3%)
CIE-LAB	lab(32.89, 5.52, -37.69)
CIE-LCH	lch(32.89, 38.09, 278.33°)
OKLab	oklab(42.27% -0.0298 -0.1078)
OKLCH	oklch(42.27% 0.112 254.5)
XYZ	xyz(7.6901, 7.4870, 24.7019)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E89 #89561B

analogous

#1B8589 #1B4E89 #1F1B89

triadic

#1B4E89 #891B4E #4E891B

tetradic

#1B4E89 #891B85 #89561B #1B891F

square

#1B4E89 #891B85 #89561B #1B891F

split-complementary

#1B4E89 #891F1B #85891B

monochromatic

#071423 #113156 #1B4E89 #256BBC #448ADA

Accessibility & contrast

On white

8.41

#1B4E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1B4E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E89

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E89	#FFFFFF	#000000	##FFFFFF
##1B4E89	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31538B

Deuteranopia (green-blind)

#1D4988

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b4e89;
/* rgb */ color: rgb(27, 78, 137);
/* oklch */ color: oklch(42.3% 0.112 254.5);

Tailwind

colors: {
  custom: {
    50: '#697fac',
    500: '#1b4e89',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e89;
$custom-light: #697fac;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e89",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 137
  },
  "hsl": {
    "h": 212.182,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42273,
    "c": 0.11187,
    "h": 254.5
  },
  "luminance": 0.07488
}

Semantic roles & 50–950 ramp

primary

#1B4E89

secondary

#BC8444

accent

#9A3EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1B4E89

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

Preview Lab → · Contrast checker → · Palette generator →