#1A3F5E#1A3F5E

#1A3F5E is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.069 H 246.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#1A3F5E
RGB	rgb(26, 63, 94)
HSL	hsl(207, 57%, 24%)
HSV	hsv(207, 72%, 37%)
CMYK	cmyk(72.3%, 33%, 0%, 63.1%)
CIE-LAB	lab(25.51, -1.83, -22.28)
CIE-LCH	lch(25.51, 22.35, 265.31°)
OKLab	oklab(35.66% -0.0272 -0.063)
OKLCH	oklch(35.66% 0.069 246.6)
XYZ	xyz(4.2231, 4.5823, 11.2494)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A3F5E #5E391A

analogous

#1A5E5B #1A3F5E #1A1D5E

triadic

#1A3F5E #5E1A3F #3F5E1A

tetradic

#1A3F5E #5B1A5E #5E391A #1D5E1A

square

#1A3F5E #5B1A5E #5E391A #1D5E1A

split-complementary

#1A3F5E #5E1A1D #5E5B1A

monochromatic

#071018 #0D1F2E #1A3F5E #275F8E #357FBE

Accessibility & contrast

On white

10.96

#1A3F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1A3F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3F5E

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A3F5E	#FFFFFF	#000000	##FFFFFF
##1A3F5E	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31405F

Deuteranopia (green-blind)

#283A5D

Tritanopia (blue-blind)

#00464A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a3f5e;
/* rgb */ color: rgb(26, 63, 94);
/* oklch */ color: oklch(35.7% 0.069 246.6);

Tailwind

colors: {
  custom: {
    50: '#5f738c',
    500: '#1a3f5e',
    950: '#000000',
  },
}

SCSS

$custom: #1a3f5e;
$custom-light: #5f738c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a3f5e",
  "rgb": {
    "r": 26,
    "g": 63,
    "b": 94
  },
  "hsl": {
    "h": 207.353,
    "s": 56.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35664,
    "c": 0.06863,
    "h": 246.6
  },
  "luminance": 0.04583
}

Semantic roles & 50–950 ramp

primary

#1A3F5E

secondary

#946640

accent

#8D48E0

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #1A3F5E

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

Preview Lab → · Contrast checker → · Palette generator →