#315E9B#315E9B

#315E9B is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 48.1% C 0.111 H 256.6°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#315E9B
RGB	rgb(49, 94, 155)
HSL	hsl(215, 52%, 40%)
HSV	hsv(215, 68%, 61%)
CMYK	cmyk(68.4%, 39.4%, 0%, 39.2%)
CIE-LAB	lab(39.62, 5.27, -37.82)
CIE-LCH	lch(39.62, 38.19, 277.93°)
OKLab	oklab(48.08% -0.0256 -0.1076)
OKLCH	oklch(48.08% 0.111 256.6)
XYZ	xyz(11.1836, 11.0238, 32.5424)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315E9B #9B6E31

analogous

#31939B #315E9B #39319B

triadic

#315E9B #9B315E #5E9B31

tetradic

#315E9B #9B3193 #9B6E31 #319B39

square

#315E9B #9B3193 #9B6E31 #319B39

split-complementary

#315E9B #9B3931 #939B31

monochromatic

#14263E #22426D #315E9B #457BC4 #739CD3

Accessibility & contrast

On white

6.55

#315E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#315E9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315E9B

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315E9B	#FFFFFF	#000000	##FFFFFF
##315E9B	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43639D

Deuteranopia (green-blind)

#33599A

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #315e9b;
/* rgb */ color: rgb(49, 94, 155);
/* oklch */ color: oklch(48.1% 0.111 256.6);

Tailwind

colors: {
  custom: {
    50: '#758bb9',
    500: '#315e9b',
    950: '#000000',
  },
}

SCSS

$custom: #315e9b;
$custom-light: #758bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#315e9b",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 155
  },
  "hsl": {
    "h": 214.528,
    "s": 51.961,
    "l": 40
  },
  "oklch": {
    "l": 0.48078,
    "c": 0.11064,
    "h": 256.6
  },
  "luminance": 0.11025
}

Semantic roles & 50–950 ramp

primary

#315E9B

secondary

#BB9A6D

accent

#9F4CDB

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #315E9B

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

Preview Lab → · Contrast checker → · Palette generator →