#1F689C#1F689C

#1F689C is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 49.9% C 0.108 H 244.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#1F689C
RGB	rgb(31, 104, 156)
HSL	hsl(205, 67%, 37%)
HSV	hsv(205, 80%, 61%)
CMYK	cmyk(80.1%, 33.3%, 0%, 38.8%)
CIE-LAB	lab(42.14, -3.21, -34.47)
CIE-LCH	lch(42.14, 34.61, 264.69°)
OKLab	oklab(49.91% -0.0466 -0.0979)
OKLCH	oklch(49.91% 0.108 244.5)
XYZ	xyz(11.5138, 12.5908, 33.2695)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F689C #9C531F

analogous

#1F9C92 #1F689C #1F2A9C

triadic

#1F689C #9C1F68 #689C1F

tetradic

#1F689C #921F9C #9C531F #2A9C1F

square

#1F689C #921F9C #9C531F #2A9C1F

split-complementary

#1F689C #9C1F2A #9C921F

monochromatic

#0B2436 #154669 #1F689C #298ACF #58A6DE

Accessibility & contrast

On white

5.97

#1F689C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#1F689C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F689C

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F689C	#FFFFFF	#000000	##FFFFFF
##1F689C	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)

#506A9E

Deuteranopia (green-blind)

#3E5E9B

Tritanopia (blue-blind)

#00757B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #1f689c;
/* rgb */ color: rgb(31, 104, 156);
/* oklch */ color: oklch(49.9% 0.108 244.5);

Tailwind

colors: {
  custom: {
    50: '#6f92b9',
    500: '#1f689c',
    950: '#000000',
  },
}

SCSS

$custom: #1f689c;
$custom-light: #6f92b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f689c",
  "rgb": {
    "r": 31,
    "g": 104,
    "b": 156
  },
  "hsl": {
    "h": 204.96,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.49907,
    "c": 0.10842,
    "h": 244.5
  },
  "luminance": 0.12592
}

Semantic roles & 50–950 ramp

primary

#1F689C

secondary

#C18255

accent

#853EEA

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080D11

muted

#7B7D80

Preview Lab

Preview with #1F689C

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

Preview Lab → · Contrast checker → · Palette generator →