#1D65B1#1D65B1

#1D65B1 is a mid, vivid cyan. Relative luminance 0.127; OKLCH L 50.5% C 0.139 H 253.5°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#1D65B1
RGB	rgb(29, 101, 177)
HSL	hsl(211, 72%, 40%)
HSV	hsv(211, 84%, 69%)
CMYK	cmyk(83.6%, 42.9%, 0%, 30.6%)
CIE-LAB	lab(42.37, 6.63, -46.50)
CIE-LCH	lch(42.37, 46.97, 278.12°)
OKLab	oklab(50.46% -0.0394 -0.1332)
OKLCH	oklch(50.46% 0.139 253.5)
XYZ	xyz(13.0932, 12.7413, 43.3557)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D65B1 #B1691D

analogous

#1DAFB1 #1D65B1 #1F1DB1

triadic

#1D65B1 #B11D65 #65B11D

tetradic

#1D65B1 #B11DAF #B1691D #1DB11F

square

#1D65B1 #B11DAF #B1691D #1DB11F

split-complementary

#1D65B1 #B11F1D #AFB11D

monochromatic

#0C2948 #14477C #1D65B1 #2E83DD #63A2E5

Accessibility & contrast

On white

5.92

#1D65B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#1D65B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D65B1

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D65B1	#FFFFFF	#000000	##FFFFFF
##1D65B1	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6BB4

Deuteranopia (green-blind)

#225EB0

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #1d65b1;
/* rgb */ color: rgb(29, 101, 177);
/* oklch */ color: oklch(50.5% 0.139 253.5);

Tailwind

colors: {
  custom: {
    50: '#7390c9',
    500: '#1d65b1',
    950: '#000000',
  },
}

SCSS

$custom: #1d65b1;
$custom-light: #7390c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d65b1",
  "rgb": {
    "r": 29,
    "g": 101,
    "b": 177
  },
  "hsl": {
    "h": 210.811,
    "s": 71.845,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5046,
    "c": 0.13895,
    "h": 253.5
  },
  "luminance": 0.12743
}

Semantic roles & 50–950 ramp

primary

#1D65B1

secondary

#CA9660

accent

#9639EF

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #1D65B1

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

Preview Lab → · Contrast checker → · Palette generator →