#1B5276#1B5276

#1B5276 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.1% C 0.082 H 241.6°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B5276
RGB	rgb(27, 82, 118)
HSL	hsl(204, 63%, 28%)
HSV	hsv(204, 77%, 46%)
CMYK	cmyk(77.1%, 30.5%, 0%, 53.7%)
CIE-LAB	lab(33.08, -4.62, -25.63)
CIE-LCH	lch(33.08, 26.05, 259.78°)
OKLab	oklab(42.07% -0.0392 -0.0725)
OKLCH	oklch(42.07% 0.082 241.6)
XYZ	xyz(6.7380, 7.5748, 18.2430)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5276 #763F1B

analogous

#1B766C #1B5276 #1B2476

triadic

#1B5276 #761B52 #52761B

tetradic

#1B5276 #6C1B76 #763F1B #24761B

square

#1B5276 #6C1B76 #763F1B #24761B

split-complementary

#1B5276 #761B24 #766C1B

monochromatic

#061119 #102F44 #1B5276 #2675A8 #3A96D2

Accessibility & contrast

On white

8.35

#1B5276 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B5276 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5276

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5276	#FFFFFF	#000000	##FFFFFF
##1B5276	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415378

Deuteranopia (green-blind)

#354A75

Tritanopia (blue-blind)

#005B5F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5276;
/* rgb */ color: rgb(27, 82, 118);
/* oklch */ color: oklch(42.1% 0.082 241.6);

Tailwind

colors: {
  custom: {
    50: '#65829d',
    500: '#1b5276',
    950: '#000000',
  },
}

SCSS

$custom: #1b5276;
$custom-light: #65829d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5276",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 118
  },
  "hsl": {
    "h": 203.736,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.4207,
    "c": 0.08244,
    "h": 241.6
  },
  "luminance": 0.07576
}

Semantic roles & 50–950 ramp

primary

#1B5276

secondary

#AA6C42

accent

#8342E6

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1B5276

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

Preview Lab → · Contrast checker → · Palette generator →