#10538D#10538D

#10538D is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.115 H 250.3°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#10538D
RGB	rgb(16, 83, 141)
HSL	hsl(208, 80%, 31%)
HSV	hsv(208, 89%, 55%)
CMYK	cmyk(88.7%, 41.1%, 0%, 44.7%)
CIE-LAB	lab(34.43, 2.76, -37.68)
CIE-LCH	lch(34.43, 37.78, 274.19°)
OKLab	oklab(43.48% -0.0385 -0.1078)
OKLCH	oklch(43.48% 0.115 250.3)
XYZ	xyz(8.1128, 8.2187, 26.3529)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10538D #8D4A10

analogous

#108D88 #10538D #10148D

triadic

#10538D #8D1053 #538D10

tetradic

#10538D #88108D #8D4A10 #148D10

square

#10538D #88108D #8D4A10 #148D10

split-complementary

#10538D #8D1014 #8D8810

monochromatic

#04121F #0A3356 #10538D #1673C4 #3092E7

Accessibility & contrast

On white

7.94

#10538D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#10538D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10538D

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10538D	#FFFFFF	#000000	##FFFFFF
##10538D	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36578F

Deuteranopia (green-blind)

#224C8C

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #10538d;
/* rgb */ color: rgb(16, 83, 141);
/* oklch */ color: oklch(43.5% 0.115 250.3);

Tailwind

colors: {
  custom: {
    50: '#6882af',
    500: '#10538d',
    950: '#000000',
  },
}

SCSS

$custom: #10538d;
$custom-light: #6882af;
$custom-dark: #000000;

JSON

{
  "hex": "#10538d",
  "rgb": {
    "r": 16,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 207.84,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.43483,
    "c": 0.1145,
    "h": 250.3
  },
  "luminance": 0.0822
}

Semantic roles & 50–950 ramp

primary

#10538D

secondary

#C27737

accent

#8D32F6

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #10538D

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

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