#1B5EAA#1B5EAA

#1B5EAA is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.3% C 0.138 H 254.8°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#1B5EAA
RGB	rgb(27, 94, 170)
HSL	hsl(212, 73%, 39%)
HSV	hsv(212, 84%, 67%)
CMYK	cmyk(84.1%, 44.7%, 0%, 33.3%)
CIE-LAB	lab(39.81, 8.20, -46.48)
CIE-LCH	lch(39.81, 47.19, 280.01°)
OKLab	oklab(48.32% -0.0362 -0.1333)
OKLCH	oklch(48.32% 0.138 254.8)
XYZ	xyz(11.7077, 11.1392, 39.5554)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5EAA #AA671B

analogous

#1BA5AA #1B5EAA #1F1BAA

triadic

#1B5EAA #AA1B5E #5EAA1B

tetradic

#1B5EAA #AA1BA5 #AA671B #1BAA1F

square

#1B5EAA #AA1BA5 #AA671B #1BAA1F

split-complementary

#1B5EAA #AA1F1B #A5AA1B

monochromatic

#0A2440 #134175 #1B5EAA #267BDC #5B9BE5

Accessibility & contrast

On white

6.51

#1B5EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#1B5EAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B5EAA

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5EAA	#FFFFFF	#000000	##FFFFFF
##1B5EAA	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3665AD

Deuteranopia (green-blind)

#1758A8

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #1b5eaa;
/* rgb */ color: rgb(27, 94, 170);
/* oklch */ color: oklch(48.3% 0.138 254.8);

Tailwind

colors: {
  custom: {
    50: '#718bc4',
    500: '#1b5eaa',
    950: '#000000',
  },
}

SCSS

$custom: #1b5eaa;
$custom-light: #718bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5eaa",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 170
  },
  "hsl": {
    "h": 211.888,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48321,
    "c": 0.13817,
    "h": 254.8
  },
  "luminance": 0.11141
}

Semantic roles & 50–950 ramp

primary

#1B5EAA

secondary

#C99458

accent

#9A39EF

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #1B5EAA

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

Preview Lab → · Contrast checker → · Palette generator →