#1B527F#1B527F

#1B527F is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.6% C 0.094 H 247.2°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1B527F
RGB	rgb(27, 82, 127)
HSL	hsl(207, 65%, 30%)
HSV	hsv(207, 79%, 50%)
CMYK	cmyk(78.7%, 35.4%, 0%, 50.2%)
CIE-LAB	lab(33.56, -1.10, -30.46)
CIE-LCH	lch(33.56, 30.48, 267.93°)
OKLab	oklab(42.61% -0.0363 -0.0866)
OKLCH	oklch(42.61% 0.094 247.2)
XYZ	xyz(7.2986, 7.7991, 21.1953)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B527F #7F481B

analogous

#1B7F7A #1B527F #1B207F

triadic

#1B527F #7F1B52 #527F1B

tetradic

#1B527F #7A1B7F #7F481B #207F1B

square

#1B527F #7A1B7F #7F481B #207F1B

split-complementary

#1B527F #7F1B20 #7F7A1B

monochromatic

#06111A #10314D #1B527F #2673B1 #3E92D6

Accessibility & contrast

On white

8.20

#1B527F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1B527F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B527F

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B527F	#FFFFFF	#000000	##FFFFFF
##1B527F	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5481

Deuteranopia (green-blind)

#2F4B7E

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b527f;
/* rgb */ color: rgb(27, 82, 127);
/* oklch */ color: oklch(42.6% 0.094 247.2);

Tailwind

colors: {
  custom: {
    50: '#6782a4',
    500: '#1b527f',
    950: '#000000',
  },
}

SCSS

$custom: #1b527f;
$custom-light: #6782a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b527f",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 127
  },
  "hsl": {
    "h": 207,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.42606,
    "c": 0.09388,
    "h": 247.2
  },
  "luminance": 0.078
}

Semantic roles & 50–950 ramp

primary

#1B527F

secondary

#B37543

accent

#8B40E8

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1B527F

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

Preview Lab → · Contrast checker → · Palette generator →