#1C689F#1C689F

#1C689F is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 50.0% C 0.113 H 245.4°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#1C689F
RGB	rgb(28, 104, 159)
HSL	hsl(205, 70%, 37%)
HSV	hsv(205, 82%, 62%)
CMYK	cmyk(82.4%, 34.6%, 0%, 37.6%)
CIE-LAB	lab(42.23, -2.37, -36.11)
CIE-LCH	lch(42.23, 36.19, 266.24°)
OKLab	oklab(50.01% -0.0471 -0.1027)
OKLCH	oklch(50.01% 0.113 245.4)
XYZ	xyz(11.6848, 12.6493, 34.6199)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C689F #9F531C

analogous

#1C9F95 #1C689F #1C279F

triadic

#1C689F #9F1C68 #689F1C

tetradic

#1C689F #951C9F #9F531C #279F1C

square

#1C689F #951C9F #9F531C #279F1C

split-complementary

#1C689F #9F1C27 #9F951C

monochromatic

#0A2437 #13466B #1C689F #258AD3 #54A6E1

Accessibility & contrast

On white

5.95

#1C689F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#1C689F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C689F

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C689F	#FFFFFF	#000000	##FFFFFF
##1C689F	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E6AA1

Deuteranopia (green-blind)

#3B5E9E

Tritanopia (blue-blind)

#00757C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1c689f;
/* rgb */ color: rgb(28, 104, 159);
/* oklch */ color: oklch(50.0% 0.113 245.4);

Tailwind

colors: {
  custom: {
    50: '#6f92bb',
    500: '#1c689f',
    950: '#000000',
  },
}

SCSS

$custom: #1c689f;
$custom-light: #6f92bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c689f",
  "rgb": {
    "r": 28,
    "g": 104,
    "b": 159
  },
  "hsl": {
    "h": 205.191,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.5001,
    "c": 0.113,
    "h": 245.4
  },
  "luminance": 0.12651
}

Semantic roles & 50–950 ramp

primary

#1C689F

secondary

#C48253

accent

#863BED

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090D12

muted

#7B7D81

Preview Lab

Preview with #1C689F

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

Preview Lab → · Contrast checker → · Palette generator →