#1B5897#1B5897

#1B5897 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.6% C 0.120 H 252.8°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#1B5897
RGB	rgb(27, 88, 151)
HSL	hsl(210, 70%, 35%)
HSV	hsv(210, 82%, 59%)
CMYK	cmyk(82.1%, 41.7%, 0%, 40.8%)
CIE-LAB	lab(36.83, 4.54, -39.91)
CIE-LCH	lch(36.83, 40.17, 276.49°)
OKLab	oklab(45.62% -0.0354 -0.1142)
OKLCH	oklch(45.62% 0.12 252.8)
XYZ	xyz(9.5255, 9.4457, 30.5933)
Luminance	0.0945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5897 #975A1B

analogous

#1B9697 #1B5897 #1C1B97

triadic

#1B5897 #971B58 #58971B

tetradic

#1B5897 #971B96 #975A1B #1B971C

square

#1B5897 #971B96 #975A1B #1B971C

split-complementary

#1B5897 #971C1B #96971B

monochromatic

#081B2F #123A63 #1B5897 #2476CB #4D95DF

Accessibility & contrast

On white

7.27

#1B5897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#1B5897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5897

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5897	#FFFFFF	#000000	##FFFFFF
##1B5897	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#395D99

Deuteranopia (green-blind)

#245296

Tritanopia (blue-blind)

#006770

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1b5897;
/* rgb */ color: rgb(27, 88, 151);
/* oklch */ color: oklch(45.6% 0.120 252.8);

Tailwind

colors: {
  custom: {
    50: '#6c86b6',
    500: '#1b5897',
    950: '#000000',
  },
}

SCSS

$custom: #1b5897;
$custom-light: #6c86b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5897",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 151
  },
  "hsl": {
    "h": 210.484,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.45618,
    "c": 0.11953,
    "h": 252.8
  },
  "luminance": 0.09447
}

Semantic roles & 50–950 ramp

primary

#1B5897

secondary

#C1884C

accent

#953BEC

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B11

muted

#7B7C80

Preview Lab

Preview with #1B5897

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

Preview Lab → · Contrast checker → · Palette generator →