#1B5195#1B5195

#1B5195 is a dark, vivid cyan. Relative luminance 0.083; OKLCH L 43.8% C 0.125 H 256.2°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B5195
RGB	rgb(27, 81, 149)
HSL	hsl(213, 69%, 35%)
HSV	hsv(213, 82%, 58%)
CMYK	cmyk(81.9%, 45.6%, 0%, 41.6%)
CIE-LAB	lab(34.57, 8.36, -42.31)
CIE-LCH	lch(34.57, 43.13, 281.17°)
OKLab	oklab(43.83% -0.0298 -0.1214)
OKLCH	oklch(43.83% 0.125 256.2)
XYZ	xyz(8.8172, 8.2867, 29.5627)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5195 #955F1B

analogous

#1B8E95 #1B5195 #221B95

triadic

#1B5195 #951B51 #51951B

tetradic

#1B5195 #951B8E #955F1B #1B9522

square

#1B5195 #951B8E #955F1B #1B9522

split-complementary

#1B5195 #95221B #8E951B

monochromatic

#08192D #123561 #1B5195 #246DC9 #4C8DDF

Accessibility & contrast

On white

7.90

#1B5195 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#1B5195 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5195

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5195	#FFFFFF	#000000	##FFFFFF
##1B5195	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5798

Deuteranopia (green-blind)

#134C94

Tritanopia (blue-blind)

#00616B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1b5195;
/* rgb */ color: rgb(27, 81, 149);
/* oklch */ color: oklch(43.8% 0.125 256.2);

Tailwind

colors: {
  custom: {
    50: '#6c81b4',
    500: '#1b5195',
    950: '#000000',
  },
}

SCSS

$custom: #1b5195;
$custom-light: #6c81b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5195",
  "rgb": {
    "r": 27,
    "g": 81,
    "b": 149
  },
  "hsl": {
    "h": 213.443,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43825,
    "c": 0.12498,
    "h": 256.2
  },
  "luminance": 0.08288
}

Semantic roles & 50–950 ramp

primary

#1B5195

secondary

#C18D4B

accent

#9E3CEC

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1B5195

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

Preview Lab → · Contrast checker → · Palette generator →