#1C4F88#1C4F88

#1C4F88 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.5% C 0.109 H 253.8°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1C4F88
RGB	rgb(28, 79, 136)
HSL	hsl(212, 66%, 32%)
HSV	hsv(212, 79%, 53%)
CMYK	cmyk(79.4%, 41.9%, 0%, 46.7%)
CIE-LAB	lab(33.17, 4.57, -36.63)
CIE-LCH	lch(33.17, 36.91, 277.12°)
OKLab	oklab(42.48% -0.0304 -0.1047)
OKLCH	oklch(42.48% 0.109 253.8)
XYZ	xyz(7.7171, 7.6155, 24.3510)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C4F88 #88551C

analogous

#1C8588 #1C4F88 #1F1C88

triadic

#1C4F88 #881C4F #4F881C

tetradic

#1C4F88 #881C85 #88551C #1C881F

square

#1C4F88 #881C85 #88551C #1C881F

split-complementary

#1C4F88 #881F1C #85881C

monochromatic

#071422 #123255 #1C4F88 #266CBB #468BD9

Accessibility & contrast

On white

8.32

#1C4F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1C4F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C4F88

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C4F88	#FFFFFF	#000000	##FFFFFF
##1C4F88	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33538A

Deuteranopia (green-blind)

#214987

Tritanopia (blue-blind)

#005C65

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1c4f88;
/* rgb */ color: rgb(28, 79, 136);
/* oklch */ color: oklch(42.5% 0.109 253.8);

Tailwind

colors: {
  custom: {
    50: '#697fab',
    500: '#1c4f88',
    950: '#000000',
  },
}

SCSS

$custom: #1c4f88;
$custom-light: #697fab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c4f88",
  "rgb": {
    "r": 28,
    "g": 79,
    "b": 136
  },
  "hsl": {
    "h": 211.667,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42478,
    "c": 0.109,
    "h": 253.8
  },
  "luminance": 0.07616
}

Semantic roles & 50–950 ramp

primary

#1C4F88

secondary

#BA8345

accent

#993FE9

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #1C4F88

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

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