#3988BA#3988BA

#3988BA is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 60.0% C 0.108 H 239.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3988BA
RGB	rgb(57, 136, 186)
HSL	hsl(203, 53%, 48%)
HSV	hsv(203, 69%, 73%)
CMYK	cmyk(69.4%, 26.9%, 0%, 27.1%)
CIE-LAB	lab(54.05, -7.79, -33.19)
CIE-LCH	lch(54.05, 34.09, 256.78°)
OKLab	oklab(60.01% -0.0541 -0.0935)
OKLCH	oklch(60.01% 0.108 239.9)
XYZ	xyz(19.3510, 22.0212, 49.6755)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988BA #BA6B39

analogous

#39BAAB #3988BA #3947BA

triadic

#3988BA #BA3988 #88BA39

tetradic

#3988BA #AB39BA #BA6B39 #47BA39

square

#3988BA #AB39BA #BA6B39 #47BA39

split-complementary

#3988BA #BA3947 #BAAB39

monochromatic

#1C435C #2B668B #3988BA #61A4CF #90BFDD

Accessibility & contrast

On white

3.89

#3988BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#3988BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988BA

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988BA	#FFFFFF	#000000	##000000
##3988BA	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7188BC

Deuteranopia (green-blind)

#5F7CB9

Tritanopia (blue-blind)

#009599

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3988ba;
/* rgb */ color: rgb(57, 136, 186);
/* oklch */ color: oklch(60.0% 0.108 239.9);

Tailwind

colors: {
  custom: {
    50: '#7eaacf',
    500: '#3988ba',
    950: '#000000',
  },
}

SCSS

$custom: #3988ba;
$custom-light: #7eaacf;
$custom-dark: #000000;

JSON

{
  "hex": "#3988ba",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 186
  },
  "hsl": {
    "h": 203.256,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.60011,
    "c": 0.10809,
    "h": 239.9
  },
  "luminance": 0.22023
}

Semantic roles & 50–950 ramp

primary

#3988BA

secondary

#C8A087

accent

#844BDC

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3988BA

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

Preview Lab → · Contrast checker → · Palette generator →