#1C4F85#1C4F85

#1C4F85 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.105 H 252.7°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F85
RGB	rgb(28, 79, 133)
HSL	hsl(211, 65%, 32%)
HSV	hsv(211, 79%, 52%)
CMYK	cmyk(78.9%, 40.6%, 0%, 47.8%)
CIE-LAB	lab(32.99, 3.37, -35.07)
CIE-LCH	lch(32.99, 35.23, 275.49°)
OKLab	oklab(42.28% -0.0311 -0.1001)
OKLCH	oklch(42.28% 0.105 252.7)
XYZ	xyz(7.5069, 7.5314, 23.2438)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F85 #85521C

analogous

#1C8485 #1C4F85 #1E1C85

triadic

#1C4F85 #851C4F #4F851C

tetradic

#1C4F85 #851C84 #85521C #1C851E

square

#1C4F85 #851C84 #85521C #1C851E

split-complementary

#1C4F85 #851E1C #84851C

monochromatic

#071320 #113152 #1C4F85 #276DB8 #448CD8

Accessibility & contrast

On white

8.38

#1C4F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1C4F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F85

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F85	#FFFFFF	#000000	##FFFFFF
##1C4F85	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355387

Deuteranopia (green-blind)

#254984

Tritanopia (blue-blind)

#005C63

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4f85;
/* rgb */ color: rgb(28, 79, 133);
/* oklch */ color: oklch(42.3% 0.105 252.7);

Tailwind

colors: {
  custom: {
    50: '#697fa9',
    500: '#1c4f85',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f85;
$custom-light: #697fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f85",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 133
  },
  "hsl": {
    "h": 210.857,
    "s": 65.217,
    "l": 31.569
  },
  "oklch": {
    "l": 0.42277,
    "c": 0.10484,
    "h": 252.7
  },
  "luminance": 0.07532
}

Semantic roles & 50–950 ramp

primary

#1C4F85

secondary

#B88045

accent

#9640E8

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C4F85

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

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