#1B2E41#1B2E41

#1B2E41 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.4% C 0.043 H 249.5°. Best body text is #FFFFFF at 13.87:1 contrast (WCAG AA passes).

Color values

HEX	#1B2E41
RGB	rgb(27, 46, 65)
HSL	hsl(210, 41%, 18%)
HSV	hsv(210, 58%, 25%)
CMYK	cmyk(58.5%, 29.2%, 0%, 74.5%)
CIE-LAB	lab(18.23, -1.19, -14.34)
CIE-LCH	lch(18.23, 14.38, 265.26°)
OKLab	oklab(29.44% -0.015 -0.0401)
OKLCH	oklch(29.44% 0.043 249.5)
XYZ	xyz(2.3828, 2.5685, 5.3702)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2E41 #412E1B

analogous

#1B4141 #1B2E41 #1B1B41

triadic

#1B2E41 #411B2E #2E411B

tetradic

#1B2E41 #411B41 #412E1B #1B411B

square

#1B2E41 #411B41 #412E1B #1B411B

split-complementary

#1B2E41 #411B1B #41411B

monochromatic

#090F16 #090F16 #1B2E41 #2D4D6C #3F6B97

Accessibility & contrast

On white

13.87

#1B2E41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1B2E41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2E41

13.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2E41	#FFFFFF	#000000	##FFFFFF
##1B2E41	1.00	13.87	1.51	13.87
#FFFFFF	13.87	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262F42

Deuteranopia (green-blind)

#212B41

Tritanopia (blue-blind)

#073235

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1b2e41;
/* rgb */ color: rgb(27, 46, 65);
/* oklch */ color: oklch(29.4% 0.043 249.5);

Tailwind

colors: {
  custom: {
    50: '#5a6675',
    500: '#1b2e41',
    950: '#000000',
  },
}

SCSS

$custom: #1b2e41;
$custom-light: #5a6675;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2e41",
  "rgb": {
    "r": 27,
    "g": 46,
    "b": 65
  },
  "hsl": {
    "h": 210,
    "s": 41.304,
    "l": 18.039
  },
  "oklch": {
    "l": 0.29435,
    "c": 0.04284,
    "h": 249.5
  },
  "luminance": 0.02569
}

Semantic roles & 50–950 ramp

primary

#1B2E41

secondary

#765C41

accent

#9457D1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #1B2E41

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

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