#1B4F97#1B4F97

#1B4F97 is a dark, vivid cyan. Relative luminance 0.081; OKLCH L 43.5% C 0.130 H 257.7°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#1B4F97
RGB	rgb(27, 79, 151)
HSL	hsl(215, 70%, 35%)
HSV	hsv(215, 82%, 59%)
CMYK	cmyk(82.1%, 47.7%, 0%, 40.8%)
CIE-LAB	lab(34.10, 10.50, -44.28)
CIE-LCH	lch(34.10, 45.51, 283.34°)
OKLab	oklab(43.51% -0.0278 -0.1272)
OKLCH	oklch(43.51% 0.13 257.7)
XYZ	xyz(8.8318, 8.0583, 30.3621)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4F97 #97631B

analogous

#1B8D97 #1B4F97 #251B97

triadic

#1B4F97 #971B4F #4F971B

tetradic

#1B4F97 #971B8D #97631B #1B9725

square

#1B4F97 #971B8D #97631B #1B9725

split-complementary

#1B4F97 #97251B #8D971B

monochromatic

#08192F #123463 #1B4F97 #246ACB #4D8ADF

Accessibility & contrast

On white

8.04

#1B4F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#1B4F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4F97

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4F97	#FFFFFF	#000000	##FFFFFF
##1B4F97	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27569A

Deuteranopia (green-blind)

#034B96

Tritanopia (blue-blind)

#00606B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b4f97;
/* rgb */ color: rgb(27, 79, 151);
/* oklch */ color: oklch(43.5% 0.130 257.7);

Tailwind

colors: {
  custom: {
    50: '#6d7fb6',
    500: '#1b4f97',
    950: '#000000',
  },
}

SCSS

$custom: #1b4f97;
$custom-light: #6d7fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4f97",
  "rgb": {
    "r": 27,
    "g": 79,
    "b": 151
  },
  "hsl": {
    "h": 214.839,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.43505,
    "c": 0.13019,
    "h": 257.7
  },
  "luminance": 0.08059
}

Semantic roles & 50–950 ramp

primary

#1B4F97

secondary

#C1904C

accent

#A23BEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B4F97

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

Preview Lab → · Contrast checker → · Palette generator →