#1A537A#1A537A

#1A537A is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.5% C 0.087 H 243.0°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#1A537A
RGB	rgb(26, 83, 122)
HSL	hsl(204, 65%, 29%)
HSV	hsv(204, 79%, 48%)
CMYK	cmyk(78.7%, 32%, 0%, 52.2%)
CIE-LAB	lab(33.58, -3.84, -27.33)
CIE-LCH	lch(33.58, 27.60, 262.00°)
OKLab	oklab(42.53% -0.0395 -0.0774)
OKLCH	oklch(42.53% 0.087 243)
XYZ	xyz(7.0307, 7.8104, 19.5456)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A537A #7A411A

analogous

#1A7A71 #1A537A #1A237A

triadic

#1A537A #7A1A53 #537A1A

tetradic

#1A537A #711A7A #7A411A #237A1A

square

#1A537A #711A7A #7A411A #237A1A

split-complementary

#1A537A #7A1A23 #7A711A

monochromatic

#051119 #0F3148 #1A537A #2575AC #3996D5

Accessibility & contrast

On white

8.20

#1A537A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#1A537A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A537A

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A537A	#FFFFFF	#000000	##FFFFFF
##1A537A	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41547C

Deuteranopia (green-blind)

#344B79

Tritanopia (blue-blind)

#005D61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1a537a;
/* rgb */ color: rgb(26, 83, 122);
/* oklch */ color: oklch(42.5% 0.087 243.0);

Tailwind

colors: {
  custom: {
    50: '#6683a0',
    500: '#1a537a',
    950: '#000000',
  },
}

SCSS

$custom: #1a537a;
$custom-light: #6683a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a537a",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 122
  },
  "hsl": {
    "h": 204.375,
    "s": 64.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42528,
    "c": 0.08692,
    "h": 243
  },
  "luminance": 0.07811
}

Semantic roles & 50–950 ramp

primary

#1A537A

secondary

#AE6E41

accent

#8440E8

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0F

muted

#7A7C7E

Preview Lab

Preview with #1A537A

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

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