#1A405B#1A405B

#1A405B is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.064 H 242.4°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#1A405B
RGB	rgb(26, 64, 91)
HSL	hsl(205, 56%, 23%)
HSV	hsv(205, 71%, 36%)
CMYK	cmyk(71.4%, 29.7%, 0%, 64.3%)
CIE-LAB	lab(25.69, -3.66, -20.05)
CIE-LCH	lch(25.69, 20.38, 259.64°)
OKLab	oklab(35.75% -0.0295 -0.0565)
OKLCH	oklch(35.75% 0.064 242.4)
XYZ	xyz(4.1470, 4.6413, 10.5728)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A405B #5B351A

analogous

#1A5B55 #1A405B #1A1F5B

triadic

#1A405B #5B1A40 #405B1A

tetradic

#1A405B #551A5B #5B351A #1F5B1A

square

#1A405B #551A5B #5B351A #1F5B1A

split-complementary

#1A405B #5B1A1F #5B551A

monochromatic

#071118 #0C1F2B #1A405B #28618B #3583BA

Accessibility & contrast

On white

10.89

#1A405B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1A405B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A405B

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A405B	#FFFFFF	#000000	##FFFFFF
##1A405B	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405C

Deuteranopia (green-blind)

#2B3A5B

Tritanopia (blue-blind)

#004749

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1a405b;
/* rgb */ color: rgb(26, 64, 91);
/* oklch */ color: oklch(35.8% 0.064 242.4);

Tailwind

colors: {
  custom: {
    50: '#5f7489',
    500: '#1a405b',
    950: '#000000',
  },
}

SCSS

$custom: #1a405b;
$custom-light: #5f7489;
$custom-dark: #000000;

JSON

{
  "hex": "#1a405b",
  "rgb": {
    "r": 26,
    "g": 64,
    "b": 91
  },
  "hsl": {
    "h": 204.923,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35752,
    "c": 0.06374,
    "h": 242.4
  },
  "luminance": 0.04642
}

Semantic roles & 50–950 ramp

primary

#1A405B

secondary

#916240

accent

#8749DF

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #1A405B

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

Preview Lab → · Contrast checker → · Palette generator →