#135DB4#135DB4

#135DB4 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.6% C 0.154 H 256.2°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#135DB4
RGB	rgb(19, 93, 180)
HSL	hsl(212, 81%, 39%)
HSV	hsv(212, 89%, 71%)
CMYK	cmyk(89.4%, 48.3%, 0%, 29.4%)
CIE-LAB	lab(40.02, 12.26, -52.05)
CIE-LCH	lch(40.02, 53.48, 283.26°)
OKLab	oklab(48.64% -0.0369 -0.1498)
OKLCH	oklch(48.64% 0.154 256.2)
XYZ	xyz(12.4181, 11.2608, 44.6902)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#135DB4 #B46A13

analogous

#13AEB4 #135DB4 #1913B4

triadic

#135DB4 #B4135D #5DB413

tetradic

#135DB4 #B413AE #B46A13 #13B419

square

#135DB4 #B413AE #B46A13 #13B419

split-complementary

#135DB4 #B41913 #AEB413

monochromatic

#072445 #0D407D #135DB4 #1D7AE7 #549BED

Accessibility & contrast

On white

6.46

#135DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#135DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #135DB4

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##135DB4	#FFFFFF	#000000	##FFFFFF
##135DB4	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A66B7

Deuteranopia (green-blind)

#0058B2

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #135db4;
/* rgb */ color: rgb(19, 93, 180);
/* oklch */ color: oklch(48.6% 0.154 256.2);

Tailwind

colors: {
  custom: {
    50: '#728acb',
    500: '#135db4',
    950: '#000000',
  },
}

SCSS

$custom: #135db4;
$custom-light: #728acb;
$custom-dark: #000000;

JSON

{
  "hex": "#135db4",
  "rgb": {
    "r": 19,
    "g": 93,
    "b": 180
  },
  "hsl": {
    "h": 212.422,
    "s": 80.905,
    "l": 39.02
  },
  "oklch": {
    "l": 0.48642,
    "c": 0.15431,
    "h": 256.2
  },
  "luminance": 0.11262
}

Semantic roles & 50–950 ramp

primary

#135DB4

secondary

#CF9653

accent

#9C30F7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#090B13

muted

#7B7C82

Preview Lab

Preview with #135DB4

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

Preview Lab → · Contrast checker → · Palette generator →