#1B7489#1B7489

#1B7489 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 51.9% C 0.085 H 217.9°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B7489
RGB	rgb(27, 116, 137)
HSL	hsl(191, 67%, 32%)
HSV	hsv(191, 80%, 54%)
CMYK	cmyk(80.3%, 15.3%, 0%, 46.3%)
CIE-LAB	lab(44.98, -17.64, -18.74)
CIE-LCH	lch(44.98, 25.74, 226.73°)
OKLab	oklab(51.86% -0.0672 -0.0524)
OKLCH	oklch(51.86% 0.085 217.9)
XYZ	xyz(11.2108, 14.5286, 25.8755)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B7489 #89301B

analogous

#1B8967 #1B7489 #1B3D89

triadic

#1B7489 #891B74 #74891B

tetradic

#1B7489 #671B89 #89301B #3D891B

square

#1B7489 #671B89 #89301B #3D891B

split-complementary

#1B7489 #891B3D #89671B

monochromatic

#071D23 #114956 #1B7489 #259FBC #44BEDA

Accessibility & contrast

On white

5.38

#1B7489 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#1B7489 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B7489

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B7489	#FFFFFF	#000000	##FFFFFF
##1B7489	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67708A

Deuteranopia (green-blind)

#586689

Tritanopia (blue-blind)

#007B7B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b7489;
/* rgb */ color: rgb(27, 116, 137);
/* oklch */ color: oklch(51.9% 0.085 217.9);

Tailwind

colors: {
  custom: {
    50: '#6b9cab',
    500: '#1b7489',
    950: '#000000',
  },
}

SCSS

$custom: #1b7489;
$custom-light: #6b9cab;
$custom-dark: #000000;

JSON

{
  "hex": "#1b7489",
  "rgb": {
    "r": 27,
    "g": 116,
    "b": 137
  },
  "hsl": {
    "h": 191.455,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.5186,
    "c": 0.08519,
    "h": 217.9
  },
  "luminance": 0.1453
}

Semantic roles & 50–950 ramp

primary

#1B7489

secondary

#BC5B44

accent

#5F3EEA

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E10

muted

#7A7E7F

Preview Lab

Preview with #1B7489

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

Preview Lab → · Contrast checker → · Palette generator →