#1A537D#1A537D

#1A537D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.7% C 0.091 H 244.9°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#1A537D
RGB	rgb(26, 83, 125)
HSL	hsl(205, 66%, 30%)
HSV	hsv(205, 79%, 49%)
CMYK	cmyk(79.2%, 33.6%, 0%, 51%)
CIE-LAB	lab(33.74, -2.66, -28.94)
CIE-LCH	lch(33.74, 29.06, 264.74°)
OKLab	oklab(42.71% -0.0385 -0.0821)
OKLCH	oklch(42.71% 0.091 244.9)
XYZ	xyz(7.2195, 7.8859, 20.5397)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A537D #7D441A

analogous

#1A7D76 #1A537D #1A217D

triadic

#1A537D #7D1A53 #537D1A

tetradic

#1A537D #761A7D #7D441A #217D1A

square

#1A537D #761A7D #7D441A #217D1A

split-complementary

#1A537D #7D1A21 #7D761A

monochromatic

#051119 #0F314A #1A537D #2575B0 #3B94D6

Accessibility & contrast

On white

8.15

#1A537D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1A537D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A537D

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A537D	#FFFFFF	#000000	##FFFFFF
##1A537D	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40547F

Deuteranopia (green-blind)

#324B7C

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1a537d;
/* rgb */ color: rgb(26, 83, 125);
/* oklch */ color: oklch(42.7% 0.091 244.9);

Tailwind

colors: {
  custom: {
    50: '#6683a3',
    500: '#1a537d',
    950: '#000000',
  },
}

SCSS

$custom: #1a537d;
$custom-light: #6683a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1a537d",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 125
  },
  "hsl": {
    "h": 205.455,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.42706,
    "c": 0.0907,
    "h": 244.9
  },
  "luminance": 0.07887
}

Semantic roles & 50–950 ramp

primary

#1A537D

secondary

#B17142

accent

#873FE9

background

#F6F7FA

surface

#EBEEF3

border

#C6C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A537D

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

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