#1A538F#1A538F

#1A538F is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.9% C 0.115 H 253.0°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#1A538F
RGB	rgb(26, 83, 143)
HSL	hsl(211, 69%, 33%)
HSV	hsv(211, 82%, 56%)
CMYK	cmyk(81.8%, 42%, 0%, 43.9%)
CIE-LAB	lab(34.78, 4.50, -38.34)
CIE-LCH	lch(34.78, 38.60, 276.70°)
OKLab	oklab(43.86% -0.0335 -0.1097)
OKLCH	oklch(43.86% 0.115 253)
XYZ	xyz(8.4753, 8.3883, 27.1537)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A538F #8F561A

analogous

#1A8D8F #1A538F #1B1A8F

triadic

#1A538F #8F1A53 #538F1A

tetradic

#1A538F #8F1A8D #8F561A #1A8F1B

square

#1A538F #8F1A8D #8F561A #1A8F1B

split-complementary

#1A538F #8F1B1A #8D8F1A

monochromatic

#071727 #11355B #1A538F #2371C3 #4690DD

Accessibility & contrast

On white

7.84

#1A538F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1A538F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A538F

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A538F	#FFFFFF	#000000	##FFFFFF
##1A538F	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365891

Deuteranopia (green-blind)

#224D8E

Tritanopia (blue-blind)

#00616A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1a538f;
/* rgb */ color: rgb(26, 83, 143);
/* oklch */ color: oklch(43.9% 0.115 253.0);

Tailwind

colors: {
  custom: {
    50: '#6a82b0',
    500: '#1a538f',
    950: '#000000',
  },
}

SCSS

$custom: #1a538f;
$custom-light: #6a82b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a538f",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 143
  },
  "hsl": {
    "h": 210.769,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.43855,
    "c": 0.11465,
    "h": 253
  },
  "luminance": 0.08389
}

Semantic roles & 50–950 ramp

primary

#1A538F

secondary

#BF8446

accent

#963CEC

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1A538F

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

Preview Lab → · Contrast checker → · Palette generator →