#5A90BC#5A90BC

#5A90BC is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.4% C 0.088 H 244.4°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#5A90BC
RGB	rgb(90, 144, 188)
HSL	hsl(207, 42%, 55%)
HSV	hsv(207, 52%, 74%)
CMYK	cmyk(52.1%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(57.80, -5.33, -28.40)
CIE-LCH	lch(57.80, 28.90, 259.37°)
OKLab	oklab(63.37% -0.038 -0.0793)
OKLCH	oklch(63.37% 0.088 244.4)
XYZ	xyz(23.2636, 25.7492, 51.3114)
Luminance	0.2575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A90BC #BC865A

analogous

#5ABCB7 #5A90BC #5A5FBC

triadic

#5A90BC #BC5A90 #90BC5A

tetradic

#5A90BC #B75ABC #BC865A #5FBC5A

square

#5A90BC #B75ABC #BC865A #5FBC5A

split-complementary

#5A90BC #BC5A5F #BCB75A

monochromatic

#2D516F #3F719A #5A90BC #86ADCE #B1CBDF

Accessibility & contrast

On white

3.41

#5A90BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#5A90BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A90BC

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A90BC	#FFFFFF	#000000	##000000
##5A90BC	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D90BE

Deuteranopia (green-blind)

#7086BB

Tritanopia (blue-blind)

#239B9F

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5a90bc;
/* rgb */ color: rgb(90, 144, 188);
/* oklch */ color: oklch(63.4% 0.088 244.4);

Tailwind

colors: {
  custom: {
    50: '#8fb0d0',
    500: '#5a90bc',
    950: '#000000',
  },
}

SCSS

$custom: #5a90bc;
$custom-light: #8fb0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5a90bc",
  "rgb": {
    "r": 90,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 206.939,
    "s": 42.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.63366,
    "c": 0.08795,
    "h": 244.4
  },
  "luminance": 0.25751
}

Semantic roles & 50–950 ramp

primary

#5A90BC

secondary

#CEB7A4

accent

#8E56D2

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #5A90BC

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

Preview Lab → · Contrast checker → · Palette generator →