#1B4C8E#1B4C8E

#1B4C8E is a dark, vivid cyan. Relative luminance 0.074; OKLCH L 42.2% C 0.121 H 257.1°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#1B4C8E
RGB	rgb(27, 76, 142)
HSL	hsl(214, 68%, 33%)
HSV	hsv(214, 81%, 56%)
CMYK	cmyk(81%, 46.5%, 0%, 44.3%)
CIE-LAB	lab(32.60, 8.88, -41.22)
CIE-LCH	lch(32.60, 42.16, 282.16°)
OKLab	oklab(42.15% -0.027 -0.1182)
OKLCH	oklch(42.15% 0.121 257.1)
XYZ	xyz(7.9171, 7.3539, 26.5881)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4C8E #8E5D1B

analogous

#1B858E #1B4C8E #241B8E

triadic

#1B4C8E #8E1B4C #4C8E1B

tetradic

#1B4C8E #8E1B85 #8E5D1B #1B8E24

square

#1B4C8E #8E1B85 #8E5D1B #1B8E24

split-complementary

#1B4C8E #8E241B #858E1B

monochromatic

#071527 #11305B #1B4C8E #2568C1 #4787DC

Accessibility & contrast

On white

8.50

#1B4C8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1B4C8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4C8E

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4C8E	#FFFFFF	#000000	##FFFFFF
##1B4C8E	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295291

Deuteranopia (green-blind)

#0E488D

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1b4c8e;
/* rgb */ color: rgb(27, 76, 142);
/* oklch */ color: oklch(42.2% 0.121 257.1);

Tailwind

colors: {
  custom: {
    50: '#6b7daf',
    500: '#1b4c8e',
    950: '#000000',
  },
}

SCSS

$custom: #1b4c8e;
$custom-light: #6b7daf;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4c8e",
  "rgb": {
    "r": 27,
    "g": 76,
    "b": 142
  },
  "hsl": {
    "h": 214.435,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42151,
    "c": 0.12129,
    "h": 257.1
  },
  "luminance": 0.07355
}

Semantic roles & 50–950 ramp

primary

#1B4C8E

secondary

#BE8B47

accent

#A13DEB

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1B4C8E

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

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