#1B4E95#1B4E95

#1B4E95 is a dark, vivid cyan. Relative luminance 0.079; OKLCH L 43.1% C 0.129 H 257.7°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E95
RGB	rgb(27, 78, 149)
HSL	hsl(215, 69%, 35%)
HSV	hsv(215, 82%, 58%)
CMYK	cmyk(81.9%, 47.7%, 0%, 41.6%)
CIE-LAB	lab(33.67, 10.37, -43.76)
CIE-LCH	lch(33.67, 44.97, 283.33°)
OKLab	oklab(43.13% -0.0273 -0.1257)
OKLCH	oklch(43.13% 0.129 257.7)
XYZ	xyz(8.5992, 7.8507, 29.4901)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E95 #95621B

analogous

#1B8B95 #1B4E95 #251B95

triadic

#1B4E95 #951B4E #4E951B

tetradic

#1B4E95 #951B8B #95621B #1B9525

square

#1B4E95 #951B8B #95621B #1B9525

split-complementary

#1B4E95 #95251B #8B951B

monochromatic

#08182D #123361 #1B4E95 #2469C9 #4C89DF

Accessibility & contrast

On white

8.17

#1B4E95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1B4E95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E95

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E95	#FFFFFF	#000000	##FFFFFF
##1B4E95	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275598

Deuteranopia (green-blind)

#044A94

Tritanopia (blue-blind)

#005F6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b4e95;
/* rgb */ color: rgb(27, 78, 149);
/* oklch */ color: oklch(43.1% 0.129 257.7);

Tailwind

colors: {
  custom: {
    50: '#6c7fb5',
    500: '#1b4e95',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e95;
$custom-light: #6c7fb5;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e95",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 149
  },
  "hsl": {
    "h": 214.918,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43127,
    "c": 0.12864,
    "h": 257.7
  },
  "luminance": 0.07852
}

Semantic roles & 50–950 ramp

primary

#1B4E95

secondary

#C1904B

accent

#A23CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B4E95

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

Preview Lab → · Contrast checker → · Palette generator →