#1B497C#1B497C

#1B497C is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 40.2% C 0.099 H 253.5°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#1B497C
RGB	rgb(27, 73, 124)
HSL	hsl(212, 64%, 30%)
HSV	hsv(212, 78%, 49%)
CMYK	cmyk(78.2%, 41.1%, 0%, 51.4%)
CIE-LAB	lab(30.53, 3.62, -33.41)
CIE-LCH	lch(30.53, 33.61, 276.19°)
OKLab	oklab(40.17% -0.0283 -0.0954)
OKLCH	oklch(40.17% 0.099 253.5)
XYZ	xyz(6.4713, 6.4526, 19.9693)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B497C #7C4E1B

analogous

#1B7A7C #1B497C #1D1B7C

triadic

#1B497C #7C1B49 #497C1B

tetradic

#1B497C #7C1B7A #7C4E1B #1B7C1D

square

#1B497C #7C1B7A #7C4E1B #1B7C1D

split-complementary

#1B497C #7C1D1B #7A7C1B

monochromatic

#050F19 #102B4A #1B497C #2667AE #3D85D5

Accessibility & contrast

On white

9.17

#1B497C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1B497C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B497C

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B497C	#FFFFFF	#000000	##FFFFFF
##1B497C	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314D7E

Deuteranopia (green-blind)

#21447B

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1b497c;
/* rgb */ color: rgb(27, 73, 124);
/* oklch */ color: oklch(40.2% 0.099 253.5);

Tailwind

colors: {
  custom: {
    50: '#667ba2',
    500: '#1b497c',
    950: '#000000',
  },
}

SCSS

$custom: #1b497c;
$custom-light: #667ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b497c",
  "rgb": {
    "r": 27,
    "g": 73,
    "b": 124
  },
  "hsl": {
    "h": 211.546,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40172,
    "c": 0.09948,
    "h": 253.5
  },
  "luminance": 0.06453
}

Semantic roles & 50–950 ramp

primary

#1B497C

secondary

#B07C43

accent

#9841E7

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #1B497C

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

Preview Lab → · Contrast checker → · Palette generator →