#1D4F85#1D4F85

#1D4F85 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.104 H 253.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D4F85
RGB	rgb(29, 79, 133)
HSL	hsl(211, 64%, 32%)
HSV	hsv(211, 78%, 52%)
CMYK	cmyk(78.2%, 40.6%, 0%, 47.8%)
CIE-LAB	lab(33.02, 3.50, -35.02)
CIE-LCH	lch(33.02, 35.19, 275.71°)
OKLab	oklab(42.31% -0.0305 -0.0999)
OKLCH	oklch(42.31% 0.105 253)
XYZ	xyz(7.5347, 7.5458, 23.2451)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4F85 #85531D

analogous

#1D8385 #1D4F85 #1F1D85

triadic

#1D4F85 #851D4F #4F851D

tetradic

#1D4F85 #851D83 #85531D #1D851F

square

#1D4F85 #851D83 #85531D #1D851F

split-complementary

#1D4F85 #851F1D #83851D

monochromatic

#071321 #123153 #1D4F85 #286DB7 #468BD7

Accessibility & contrast

On white

8.37

#1D4F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1D4F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4F85

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4F85	#FFFFFF	#000000	##FFFFFF
##1D4F85	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	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: #1d4f85;
/* rgb */ color: rgb(29, 79, 133);
/* oklch */ color: oklch(42.3% 0.104 253.0);

Tailwind

colors: {
  custom: {
    50: '#697fa9',
    500: '#1d4f85',
    950: '#000000',
  },
}

SCSS

$custom: #1d4f85;
$custom-light: #697fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4f85",
  "rgb": {
    "r": 29,
    "g": 79,
    "b": 133
  },
  "hsl": {
    "h": 211.154,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4231,
    "c": 0.1045,
    "h": 253
  },
  "luminance": 0.07547
}

Semantic roles & 50–950 ramp

primary

#1D4F85

secondary

#B88146

accent

#9741E7

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1D4F85

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

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