#1B67B3#1B67B3

#1B67B3 is a mid, vivid cyan. Relative luminance 0.132; OKLCH L 51.0% C 0.140 H 252.7°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B67B3
RGB	rgb(27, 103, 179)
HSL	hsl(210, 74%, 40%)
HSV	hsv(210, 85%, 70%)
CMYK	cmyk(84.9%, 42.5%, 0%, 29.8%)
CIE-LAB	lab(43.04, 5.97, -46.60)
CIE-LCH	lch(43.04, 46.98, 277.30°)
OKLab	oklab(51.01% -0.0415 -0.1335)
OKLCH	oklch(51.01% 0.14 252.7)
XYZ	xyz(13.4358, 13.1865, 44.4762)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B67B3 #B3671B

analogous

#1BB3B3 #1B67B3 #1B1BB3

triadic

#1B67B3 #B31B67 #67B31B

tetradic

#1B67B3 #B31BB3 #B3671B #1BB31B

square

#1B67B3 #B31BB3 #B3671B #1BB31B

split-complementary

#1B67B3 #B31B1B #B3B31B

monochromatic

#0B2A49 #13487E #1B67B3 #2C86DF #61A4E7

Accessibility & contrast

On white

5.77

#1B67B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#1B67B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B67B3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B67B3	#FFFFFF	#000000	##FFFFFF
##1B67B3	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416DB6

Deuteranopia (green-blind)

#245FB2

Tritanopia (blue-blind)

#007984

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #1b67b3;
/* rgb */ color: rgb(27, 103, 179);
/* oklch */ color: oklch(51.0% 0.140 252.7);

Tailwind

colors: {
  custom: {
    50: '#7391ca',
    500: '#1b67b3',
    950: '#000000',
  },
}

SCSS

$custom: #1b67b3;
$custom-light: #7391ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1b67b3",
  "rgb": {
    "r": 27,
    "g": 103,
    "b": 179
  },
  "hsl": {
    "h": 210,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5101,
    "c": 0.1398,
    "h": 252.7
  },
  "luminance": 0.13188
}

Semantic roles & 50–950 ramp

primary

#1B67B3

secondary

#CC955E

accent

#9437F0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #1B67B3

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

Preview Lab → · Contrast checker → · Palette generator →