#1B71A0#1B71A0

#1B71A0 is a mid, moderate cyan. Relative luminance 0.146; OKLCH L 52.3% C 0.107 H 238.7°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B71A0
RGB	rgb(27, 113, 160)
HSL	hsl(201, 71%, 37%)
HSV	hsv(201, 83%, 63%)
CMYK	cmyk(83.1%, 29.4%, 0%, 37.3%)
CIE-LAB	lab(45.05, -7.54, -32.25)
CIE-LCH	lch(45.05, 33.12, 256.84°)
OKLab	oklab(52.26% -0.0555 -0.0913)
OKLCH	oklch(52.26% 0.107 238.7)
XYZ	xyz(12.6998, 14.5797, 35.3957)
Luminance	0.1458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B71A0 #A04A1B

analogous

#1BA08D #1B71A0 #1B2FA0

triadic

#1B71A0 #A01B71 #71A01B

tetradic

#1B71A0 #8D1BA0 #A04A1B #2FA01B

square

#1B71A0 #8D1BA0 #A04A1B #2FA01B

split-complementary

#1B71A0 #A01B2F #A08D1B

monochromatic

#092737 #124C6C #1B71A0 #2496D4 #53B0E2

Accessibility & contrast

On white

5.36

#1B71A0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#1B71A0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B71A0

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B71A0	#FFFFFF	#000000	##FFFFFF
##1B71A0	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B71A2

Deuteranopia (green-blind)

#49659F

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #1b71a0;
/* rgb */ color: rgb(27, 113, 160);
/* oklch */ color: oklch(52.3% 0.107 238.7);

Tailwind

colors: {
  custom: {
    50: '#6f99bc',
    500: '#1b71a0',
    950: '#000000',
  },
}

SCSS

$custom: #1b71a0;
$custom-light: #6f99bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1b71a0",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 160
  },
  "hsl": {
    "h": 201.203,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.52255,
    "c": 0.1069,
    "h": 238.7
  },
  "luminance": 0.14581
}

Semantic roles & 50–950 ramp

primary

#1B71A0

secondary

#C57B52

accent

#7A3AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #1B71A0

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

Preview Lab → · Contrast checker → · Palette generator →