#1A538D#1A538D

#1A538D is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.7% C 0.112 H 252.3°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#1A538D
RGB	rgb(26, 83, 141)
HSL	hsl(210, 69%, 33%)
HSV	hsv(210, 82%, 55%)
CMYK	cmyk(81.6%, 41.1%, 0%, 44.7%)
CIE-LAB	lab(34.66, 3.70, -37.31)
CIE-LCH	lch(34.66, 37.50, 275.67°)
OKLab	oklab(43.72% -0.0339 -0.1066)
OKLCH	oklch(43.72% 0.112 252.3)
XYZ	xyz(8.3252, 8.3282, 26.3629)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A538D #8D541A

analogous

#1A8C8D #1A538D #1B1A8D

triadic

#1A538D #8D1A53 #538D1A

tetradic

#1A538D #8D1A8C #8D541A #1A8D1B

square

#1A538D #8D1A8C #8D541A #1A8D1B

split-complementary

#1A538D #8D1B1A #8C8D1A

monochromatic

#071626 #103559 #1A538D #2471C1 #4590DD

Accessibility & contrast

On white

7.88

#1A538D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#1A538D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A538D

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A538D	#FFFFFF	#000000	##FFFFFF
##1A538D	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37578F

Deuteranopia (green-blind)

#244D8C

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1a538d;
/* rgb */ color: rgb(26, 83, 141);
/* oklch */ color: oklch(43.7% 0.112 252.3);

Tailwind

colors: {
  custom: {
    50: '#6a82af',
    500: '#1a538d',
    950: '#000000',
  },
}

SCSS

$custom: #1a538d;
$custom-light: #6a82af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a538d",
  "rgb": {
    "r": 26,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 210.261,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43721,
    "c": 0.11192,
    "h": 252.3
  },
  "luminance": 0.08329
}

Semantic roles & 50–950 ramp

primary

#1A538D

secondary

#BE8245

accent

#953CEC

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1A538D

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

Preview Lab → · Contrast checker → · Palette generator →