#1B709E#1B709E

#1B709E is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.9% C 0.105 H 238.4°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#1B709E
RGB	rgb(27, 112, 158)
HSL	hsl(201, 71%, 36%)
HSV	hsv(201, 83%, 62%)
CMYK	cmyk(82.9%, 29.1%, 0%, 38%)
CIE-LAB	lab(44.64, -7.70, -31.72)
CIE-LCH	lch(44.64, 32.64, 256.35°)
OKLab	oklab(51.9% -0.0552 -0.0898)
OKLCH	oklch(51.9% 0.105 238.4)
XYZ	xyz(12.4153, 14.2884, 34.4447)
Luminance	0.1429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B709E #9E491B

analogous

#1B9E8B #1B709E #1B2E9E

triadic

#1B709E #9E1B70 #709E1B

tetradic

#1B709E #8B1B9E #9E491B #2E9E1B

square

#1B709E #8B1B9E #9E491B #2E9E1B

split-complementary

#1B709E #9E1B2E #9E8B1B

monochromatic

#092635 #124B6A #1B709E #2495D2 #52AFE1

Accessibility & contrast

On white

5.44

#1B709E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#1B709E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B709E

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B709E	#FFFFFF	#000000	##FFFFFF
##1B709E	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A70A0

Deuteranopia (green-blind)

#48649D

Tritanopia (blue-blind)

#007C80

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b709e;
/* rgb */ color: rgb(27, 112, 158);
/* oklch */ color: oklch(51.9% 0.105 238.4);

Tailwind

colors: {
  custom: {
    50: '#6f98bb',
    500: '#1b709e',
    950: '#000000',
  },
}

SCSS

$custom: #1b709e;
$custom-light: #6f98bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1b709e",
  "rgb": {
    "r": 27,
    "g": 112,
    "b": 158
  },
  "hsl": {
    "h": 201.069,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.51898,
    "c": 0.10544,
    "h": 238.4
  },
  "luminance": 0.1429
}

Semantic roles & 50–950 ramp

primary

#1B709E

secondary

#C47951

accent

#793AEE

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #1B709E

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

Preview Lab → · Contrast checker → · Palette generator →