#1B6397#1B6397

#1B6397 is a mid, moderate cyan. Relative luminance 0.114; OKLCH L 48.3% C 0.108 H 245.2°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#1B6397
RGB	rgb(27, 99, 151)
HSL	hsl(205, 70%, 35%)
HSV	hsv(205, 82%, 59%)
CMYK	cmyk(82.1%, 34.4%, 0%, 40.8%)
CIE-LAB	lab(40.23, -2.47, -34.51)
CIE-LCH	lch(40.23, 34.60, 265.90°)
OKLab	oklab(48.29% -0.0453 -0.0981)
OKLCH	oklch(48.29% 0.108 245.2)
XYZ	xyz(10.4976, 11.3898, 30.9173)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B6397 #974F1B

analogous

#1B978D #1B6397 #1B2597

triadic

#1B6397 #971B63 #63971B

tetradic

#1B6397 #8D1B97 #974F1B #25971B

square

#1B6397 #8D1B97 #974F1B #25971B

split-complementary

#1B6397 #971B25 #978D1B

monochromatic

#081F2F #124163 #1B6397 #2485CB #4DA2DF

Accessibility & contrast

On white

6.41

#1B6397 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#1B6397 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B6397

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B6397	#FFFFFF	#000000	##FFFFFF
##1B6397	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B6599

Deuteranopia (green-blind)

#395A96

Tritanopia (blue-blind)

#007076

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1b6397;
/* rgb */ color: rgb(27, 99, 151);
/* oklch */ color: oklch(48.3% 0.108 245.2);

Tailwind

colors: {
  custom: {
    50: '#6d8fb6',
    500: '#1b6397',
    950: '#000000',
  },
}

SCSS

$custom: #1b6397;
$custom-light: #6d8fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b6397",
  "rgb": {
    "r": 27,
    "g": 99,
    "b": 151
  },
  "hsl": {
    "h": 205.161,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.48286,
    "c": 0.1081,
    "h": 245.2
  },
  "luminance": 0.11391
}

Semantic roles & 50–950 ramp

primary

#1B6397

secondary

#C17D4C

accent

#863BEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #1B6397

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

Preview Lab → · Contrast checker → · Palette generator →