#315E8B#315E8B

#315E8B is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 47.1% C 0.089 H 250.2°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#315E8B
RGB	rgb(49, 94, 139)
HSL	hsl(210, 48%, 37%)
HSV	hsv(210, 65%, 55%)
CMYK	cmyk(64.7%, 32.4%, 0%, 45.5%)
CIE-LAB	lab(38.76, -0.57, -29.55)
CIE-LCH	lch(38.76, 29.55, 268.89°)
OKLab	oklab(47.13% -0.03 -0.0835)
OKLCH	oklch(47.13% 0.089 250.2)
XYZ	xyz(9.9278, 10.5215, 25.9287)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#315E8B #8B5E31

analogous

#318B8B #315E8B #31318B

triadic

#315E8B #8B315E #5E8B31

tetradic

#315E8B #8B318B #8B5E31 #318B31

square

#315E8B #8B318B #8B5E31 #318B31

split-complementary

#315E8B #8B3131 #8B8B31

monochromatic

#112131 #213F5E #315E8B #417DB8 #6B9BCB

Accessibility & contrast

On white

6.76

#315E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#315E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #315E8B

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##315E8B	#FFFFFF	#000000	##FFFFFF
##315E8B	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B608D

Deuteranopia (green-blind)

#3E578A

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #315e8b;
/* rgb */ color: rgb(49, 94, 139);
/* oklch */ color: oklch(47.1% 0.089 250.2);

Tailwind

colors: {
  custom: {
    50: '#728bad',
    500: '#315e8b',
    950: '#000000',
  },
}

SCSS

$custom: #315e8b;
$custom-light: #728bad;
$custom-dark: #000000;

JSON

{
  "hex": "#315e8b",
  "rgb": {
    "r": 49,
    "g": 94,
    "b": 139
  },
  "hsl": {
    "h": 210,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47127,
    "c": 0.08871,
    "h": 250.2
  },
  "luminance": 0.10522
}

Semantic roles & 50–950 ramp

primary

#315E8B

secondary

#B28C65

accent

#9450D7

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #315E8B

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

Preview Lab → · Contrast checker → · Palette generator →