#1B6288#1B6288

#1B6288 is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.2% C 0.091 H 237.3°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#1B6288
RGB	rgb(27, 98, 136)
HSL	hsl(201, 67%, 32%)
HSV	hsv(201, 80%, 53%)
CMYK	cmyk(80.1%, 27.9%, 0%, 46.7%)
CIE-LAB	lab(39.15, -7.62, -27.18)
CIE-LCH	lch(39.15, 28.23, 254.34°)
OKLab	oklab(47.18% -0.0493 -0.0768)
OKLCH	oklch(47.18% 0.091 237.3)
XYZ	xyz(9.2618, 10.7448, 24.8736)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6288 #88411B

analogous

#1B8877 #1B6288 #1B2C88

triadic

#1B6288 #881B62 #62881B

tetradic

#1B6288 #771B88 #88411B #2C881B

square

#1B6288 #771B88 #88411B #2C881B

split-complementary

#1B6288 #881B2C #88771B

monochromatic

#071822 #113D55 #1B6288 #2587BB #44A5DA

Accessibility & contrast

On white

6.67

#1B6288 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#1B6288 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6288

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6288	#FFFFFF	#000000	##FFFFFF
##1B6288	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50628A

Deuteranopia (green-blind)

#415887

Tritanopia (blue-blind)

#006C6F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b6288;
/* rgb */ color: rgb(27, 98, 136);
/* oklch */ color: oklch(47.2% 0.091 237.3);

Tailwind

colors: {
  custom: {
    50: '#6a8eab',
    500: '#1b6288',
    950: '#000000',
  },
}

SCSS

$custom: #1b6288;
$custom-light: #6a8eab;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6288",
  "rgb": {
    "r": 27,
    "g": 98,
    "b": 136
  },
  "hsl": {
    "h": 200.917,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.47178,
    "c": 0.09126,
    "h": 237.3
  },
  "luminance": 0.10746
}

Semantic roles & 50–950 ramp

primary

#1B6288

secondary

#BB6D44

accent

#7A3EEA

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C10

muted

#7A7D7F

Preview Lab

Preview with #1B6288

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

Preview Lab → · Contrast checker → · Palette generator →