#1B689E#1B689E

#1B689E is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 49.9% C 0.112 H 244.7°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#1B689E
RGB	rgb(27, 104, 158)
HSL	hsl(205, 71%, 36%)
HSV	hsv(205, 83%, 62%)
CMYK	cmyk(82.9%, 34.2%, 0%, 38%)
CIE-LAB	lab(42.16, -2.86, -35.64)
CIE-LCH	lch(42.16, 35.75, 265.41°)
OKLab	oklab(49.93% -0.0478 -0.1013)
OKLCH	oklch(49.93% 0.112 244.7)
XYZ	xyz(11.5715, 12.6008, 34.1635)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B689E #9E511B

analogous

#1B9E93 #1B689E #1B269E

triadic

#1B689E #9E1B68 #689E1B

tetradic

#1B689E #931B9E #9E511B #269E1B

square

#1B689E #931B9E #9E511B #269E1B

split-complementary

#1B689E #9E1B26 #9E931B

monochromatic

#092335 #12466A #1B689E #248AD2 #52A6E1

Accessibility & contrast

On white

5.97

#1B689E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#1B689E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B689E

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B689E	#FFFFFF	#000000	##FFFFFF
##1B689E	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6AA0

Deuteranopia (green-blind)

#3C5E9D

Tritanopia (blue-blind)

#00757B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1b689e;
/* rgb */ color: rgb(27, 104, 158);
/* oklch */ color: oklch(49.9% 0.112 244.7);

Tailwind

colors: {
  custom: {
    50: '#6e92bb',
    500: '#1b689e',
    950: '#000000',
  },
}

SCSS

$custom: #1b689e;
$custom-light: #6e92bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b689e",
  "rgb": {
    "r": 27,
    "g": 104,
    "b": 158
  },
  "hsl": {
    "h": 204.733,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.49928,
    "c": 0.11206,
    "h": 244.7
  },
  "luminance": 0.12602
}

Semantic roles & 50–950 ramp

primary

#1B689E

secondary

#C48051

accent

#843AEE

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080D12

muted

#7B7D81

Preview Lab

Preview with #1B689E

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

Preview Lab → · Contrast checker → · Palette generator →