#1B5E84#1B5E84

#1B5E84 is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 45.9% C 0.090 H 238.6°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B5E84
RGB	rgb(27, 94, 132)
HSL	hsl(202, 66%, 31%)
HSV	hsv(202, 80%, 52%)
CMYK	cmyk(79.5%, 28.8%, 0%, 48.2%)
CIE-LAB	lab(37.67, -6.70, -27.07)
CIE-LCH	lch(37.67, 27.88, 256.09°)
OKLab	oklab(45.94% -0.0467 -0.0765)
OKLCH	oklch(45.94% 0.09 238.6)
XYZ	xyz(8.6179, 9.9033, 23.2827)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5E84 #84411B

analogous

#1B8475 #1B5E84 #1B2984

triadic

#1B5E84 #841B5E #5E841B

tetradic

#1B5E84 #751B84 #84411B #29841B

square

#1B5E84 #751B84 #84411B #29841B

split-complementary

#1B5E84 #841B29 #84751B

monochromatic

#06161E #113A51 #1B5E84 #2582B7 #41A2D8

Accessibility & contrast

On white

7.05

#1B5E84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#1B5E84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E84

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5E84	#FFFFFF	#000000	##FFFFFF
##1B5E84	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5E86

Deuteranopia (green-blind)

#3E5483

Tritanopia (blue-blind)

#00686B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1b5e84;
/* rgb */ color: rgb(27, 94, 132);
/* oklch */ color: oklch(45.9% 0.090 238.6);

Tailwind

colors: {
  custom: {
    50: '#698ba8',
    500: '#1b5e84',
    950: '#000000',
  },
}

SCSS

$custom: #1b5e84;
$custom-light: #698ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5e84",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 132
  },
  "hsl": {
    "h": 201.714,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.45939,
    "c": 0.08964,
    "h": 238.6
  },
  "luminance": 0.09904
}

Semantic roles & 50–950 ramp

primary

#1B5E84

secondary

#B76D43

accent

#7C3FE9

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B5E84

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

Preview Lab → · Contrast checker → · Palette generator →