#1A4151#1A4151

#1A4151 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.052 H 227.9°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#1A4151
RGB	rgb(26, 65, 81)
HSL	hsl(197, 51%, 21%)
HSV	hsv(197, 68%, 32%)
CMYK	cmyk(67.9%, 19.8%, 0%, 68.2%)
CIE-LAB	lab(25.55, -8.09, -13.75)
CIE-LCH	lch(25.55, 15.95, 239.52°)
OKLab	oklab(35.48% -0.0347 -0.0384)
OKLCH	oklch(35.48% 0.052 227.9)
XYZ	xyz(3.8009, 4.5939, 8.4694)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A4151 #512A1A

analogous

#1A5145 #1A4151 #1A2551

triadic

#1A4151 #511A41 #41511A

tetradic

#1A4151 #451A51 #512A1A #25511A

square

#1A4151 #451A51 #512A1A #25511A

split-complementary

#1A4151 #511A25 #51451A

monochromatic

#071317 #0B1C23 #1A4151 #29667F #388BAE

Accessibility & contrast

On white

10.94

#1A4151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1A4151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A4151

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A4151	#FFFFFF	#000000	##FFFFFF
##1A4151	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394052

Deuteranopia (green-blind)

#313A51

Tritanopia (blue-blind)

#004646

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a4151;
/* rgb */ color: rgb(26, 65, 81);
/* oklch */ color: oklch(35.5% 0.052 227.9);

Tailwind

colors: {
  custom: {
    50: '#5d7582',
    500: '#1a4151',
    950: '#000000',
  },
}

SCSS

$custom: #1a4151;
$custom-light: #5d7582;
$custom-dark: #000000;

JSON

{
  "hex": "#1a4151",
  "rgb": {
    "r": 26,
    "g": 65,
    "b": 81
  },
  "hsl": {
    "h": 197.455,
    "s": 51.402,
    "l": 20.98
  },
  "oklch": {
    "l": 0.35479,
    "c": 0.05175,
    "h": 227.9
  },
  "luminance": 0.04594
}

Semantic roles & 50–950 ramp

primary

#1A4151

secondary

#875440

accent

#764DDB

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #1A4151

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

Preview Lab → · Contrast checker → · Palette generator →