#4D90BC#4D90BC

#4D90BC is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.8% C 0.095 H 239.5°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4D90BC
RGB	rgb(77, 144, 188)
HSL	hsl(204, 45%, 52%)
HSV	hsv(204, 59%, 74%)
CMYK	cmyk(59%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(57.22, -8.13, -29.33)
CIE-LCH	lch(57.22, 30.44, 254.51°)
OKLab	oklab(62.76% -0.0484 -0.0822)
OKLCH	oklch(62.76% 0.095 239.5)
XYZ	xyz(22.1075, 25.1531, 51.2572)
Luminance	0.2515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90BC #BC794D

analogous

#4DBCB1 #4D90BC #4D59BC

triadic

#4D90BC #BC4D90 #90BC4D

tetradic

#4D90BC #B14DBC #BC794D #59BC4D

square

#4D90BC #B14DBC #BC794D #59BC4D

split-complementary

#4D90BC #BC4D59 #BCB14D

monochromatic

#274E68 #386F94 #4D90BC #79ACCD #A6C7DD

Accessibility & contrast

On white

3.48

#4D90BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.03

#4D90BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90BC

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90BC	#FFFFFF	#000000	##000000
##4D90BC	1.00	3.48	6.03	6.03
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.03	21.00	1.00	1.00
##000000	6.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C90BE

Deuteranopia (green-blind)

#6D84BB

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #4d90bc;
/* rgb */ color: rgb(77, 144, 188);
/* oklch */ color: oklch(62.8% 0.095 239.5);

Tailwind

colors: {
  custom: {
    50: '#88b0d0',
    500: '#4d90bc',
    950: '#000000',
  },
}

SCSS

$custom: #4d90bc;
$custom-light: #88b0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90bc",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 203.784,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62755,
    "c": 0.09536,
    "h": 239.5
  },
  "luminance": 0.25155
}

Semantic roles & 50–950 ramp

primary

#4D90BC

secondary

#CBAD9A

accent

#8653D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4D90BC

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

Preview Lab → · Contrast checker → · Palette generator →