#1B608F#1B608F

#1B608F is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.1% C 0.101 H 243.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#1B608F
RGB	rgb(27, 96, 143)
HSL	hsl(204, 68%, 33%)
HSV	hsv(204, 81%, 56%)
CMYK	cmyk(81.1%, 32.9%, 0%, 43.9%)
CIE-LAB	lab(38.87, -3.71, -31.85)
CIE-LCH	lch(38.87, 32.07, 263.36°)
OKLab	oklab(47.07% -0.045 -0.0904)
OKLCH	oklch(47.07% 0.101 243.5)
XYZ	xyz(9.5909, 10.5808, 27.5181)
Luminance	0.1058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B608F #8F4A1B

analogous

#1B8F84 #1B608F #1B268F

triadic

#1B608F #8F1B60 #608F1B

tetradic

#1B608F #841B8F #8F4A1B #268F1B

square

#1B608F #841B8F #8F4A1B #268F1B

split-complementary

#1B608F #8F1B26 #8F841B

monochromatic

#081B28 #113D5C #1B608F #2583C2 #48A0DC

Accessibility & contrast

On white

6.74

#1B608F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#1B608F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B608F

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B608F	#FFFFFF	#000000	##FFFFFF
##1B608F	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A6191

Deuteranopia (green-blind)

#3A578E

Tritanopia (blue-blind)

#006C71

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1b608f;
/* rgb */ color: rgb(27, 96, 143);
/* oklch */ color: oklch(47.1% 0.101 243.5);

Tailwind

colors: {
  custom: {
    50: '#6b8cb0',
    500: '#1b608f',
    950: '#000000',
  },
}

SCSS

$custom: #1b608f;
$custom-light: #6b8cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b608f",
  "rgb": {
    "r": 27,
    "g": 96,
    "b": 143
  },
  "hsl": {
    "h": 204.31,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.47071,
    "c": 0.101,
    "h": 243.5
  },
  "luminance": 0.10582
}

Semantic roles & 50–950 ramp

primary

#1B608F

secondary

#BE7848

accent

#833DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B608F

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

Preview Lab → · Contrast checker → · Palette generator →