#1F69B1#1F69B1

#1F69B1 is a mid, vivid cyan. Relative luminance 0.136; OKLCH L 51.4% C 0.134 H 251.8°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F69B1
RGB	rgb(31, 105, 177)
HSL	hsl(210, 70%, 41%)
HSV	hsv(210, 82%, 69%)
CMYK	cmyk(82.5%, 40.7%, 0%, 30.6%)
CIE-LAB	lab(43.61, 4.27, -44.52)
CIE-LCH	lch(43.61, 44.73, 275.48°)
OKLab	oklab(51.44% -0.0418 -0.1273)
OKLCH	oklch(51.44% 0.134 251.8)
XYZ	xyz(13.5495, 13.5671, 43.4910)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F69B1 #B1671F

analogous

#1FB1B0 #1F69B1 #1F20B1

triadic

#1F69B1 #B11F69 #69B11F

tetradic

#1F69B1 #B01FB1 #B1671F #20B11F

square

#1F69B1 #B01FB1 #B1671F #20B11F

split-complementary

#1F69B1 #B11F20 #B1B01F

monochromatic

#0D2B49 #164A7D #1F69B1 #3288DB #66A6E4

Accessibility & contrast

On white

5.65

#1F69B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#1F69B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F69B1

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F69B1	#FFFFFF	#000000	##FFFFFF
##1F69B1	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#466EB4

Deuteranopia (green-blind)

#2D61B0

Tritanopia (blue-blind)

#007A84

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #1f69b1;
/* rgb */ color: rgb(31, 105, 177);
/* oklch */ color: oklch(51.4% 0.134 251.8);

Tailwind

colors: {
  custom: {
    50: '#7393c9',
    500: '#1f69b1',
    950: '#000000',
  },
}

SCSS

$custom: #1f69b1;
$custom-light: #7393c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f69b1",
  "rgb": {
    "r": 31,
    "g": 105,
    "b": 177
  },
  "hsl": {
    "h": 209.589,
    "s": 70.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51436,
    "c": 0.13402,
    "h": 251.8
  },
  "luminance": 0.13569
}

Semantic roles & 50–950 ramp

primary

#1F69B1

secondary

#CA9562

accent

#933BED

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #1F69B1

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

Preview Lab → · Contrast checker → · Palette generator →