#1A537C#1A537C

#1A537C is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.6% C 0.089 H 244.3°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#1A537C
RGB	rgb(26, 83, 124)
HSL	hsl(205, 65%, 29%)
HSV	hsv(205, 79%, 49%)
CMYK	cmyk(79%, 33.1%, 0%, 51.4%)
CIE-LAB	lab(33.69, -3.06, -28.40)
CIE-LCH	lch(33.69, 28.57, 263.86°)
OKLab	oklab(42.65% -0.0388 -0.0806)
OKLCH	oklch(42.65% 0.089 244.3)
XYZ	xyz(7.1559, 7.8605, 20.2050)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A537C #7C431A

analogous

#1A7C74 #1A537C #1A227C

triadic

#1A537C #7C1A53 #537C1A

tetradic

#1A537C #741A7C #7C431A #227C1A

square

#1A537C #741A7C #7C431A #227C1A

split-complementary

#1A537C #7C1A22 #7C741A

monochromatic

#051119 #0F3149 #1A537C #2575AF #3B95D6

Accessibility & contrast

On white

8.16

#1A537C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1A537C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A537C

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A537C	#FFFFFF	#000000	##FFFFFF
##1A537C	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40547E

Deuteranopia (green-blind)

#324B7B

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1a537c;
/* rgb */ color: rgb(26, 83, 124);
/* oklch */ color: oklch(42.6% 0.089 244.3);

Tailwind

colors: {
  custom: {
    50: '#6683a2',
    500: '#1a537c',
    950: '#000000',
  },
}

SCSS

$custom: #1a537c;
$custom-light: #6683a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a537c",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 124
  },
  "hsl": {
    "h": 205.102,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.42647,
    "c": 0.08943,
    "h": 244.3
  },
  "luminance": 0.07861
}

Semantic roles & 50–950 ramp

primary

#1A537C

secondary

#B07042

accent

#8640E8

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A537C

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

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