#1A303E#1A303E

#1A303E is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.038 H 237.8°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#1A303E
RGB	rgb(26, 48, 62)
HSL	hsl(203, 41%, 17%)
HSV	hsv(203, 58%, 24%)
CMYK	cmyk(58.1%, 22.6%, 0%, 75.7%)
CIE-LAB	lab(18.72, -3.94, -11.52)
CIE-LCH	lch(18.72, 12.18, 251.10°)
OKLab	oklab(29.76% -0.0202 -0.0321)
OKLCH	oklch(29.76% 0.038 237.8)
XYZ	xyz(2.3521, 2.6811, 4.9501)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A303E #3E281A

analogous

#1A3E3A #1A303E #1A1E3E

triadic

#1A303E #3E1A30 #303E1A

tetradic

#1A303E #3A1A3E #3E281A #1E3E1A

square

#1A303E #3A1A3E #3E281A #1E3E1A

split-complementary

#1A303E #3E1A1E #3E3A1A

monochromatic

#091116 #091116 #1A303E #2C5169 #3E7394

Accessibility & contrast

On white

13.67

#1A303E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1A303E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A303E

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A303E	#FFFFFF	#000000	##FFFFFF
##1A303E	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A303F

Deuteranopia (green-blind)

#252C3E

Tritanopia (blue-blind)

#073435

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a303e;
/* rgb */ color: rgb(26, 48, 62);
/* oklch */ color: oklch(29.8% 0.038 237.8);

Tailwind

colors: {
  custom: {
    50: '#596873',
    500: '#1a303e',
    950: '#000000',
  },
}

SCSS

$custom: #1a303e;
$custom-light: #596873;
$custom-dark: #000000;

JSON

{
  "hex": "#1a303e",
  "rgb": {
    "r": 26,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 203.333,
    "s": 40.909,
    "l": 17.255
  },
  "oklch": {
    "l": 0.2976,
    "c": 0.03788,
    "h": 237.8
  },
  "luminance": 0.02681
}

Semantic roles & 50–950 ramp

primary

#1A303E

secondary

#745440

accent

#8657D1

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#040608

muted

#797A7B

Preview Lab

Preview with #1A303E

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

Preview Lab → · Contrast checker → · Palette generator →