#2F357B#2F357B

#2F357B is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.6% C 0.117 H 275.3°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#2F357B
RGB	rgb(47, 53, 123)
HSL	hsl(235, 45%, 33%)
HSV	hsv(235, 62%, 48%)
CMYK	cmyk(61.8%, 56.9%, 0%, 51.8%)
CIE-LAB	lab(25.50, 20.41, -40.79)
CIE-LCH	lch(25.50, 45.61, 296.58°)
OKLab	oklab(36.58% 0.0108 -0.117)
OKLCH	oklch(36.58% 0.117 275.3)
XYZ	xyz(6.0194, 4.5801, 19.3019)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F357B #7B752F

analogous

#2F5B7B #2F357B #4F2F7B

triadic

#2F357B #7B2F35 #357B2F

tetradic

#2F357B #7B2F5B #7B752F #2F7B4F

square

#2F357B #7B2F5B #7B752F #2F7B4F

split-complementary

#2F357B #7B4F2F #5B7B2F

monochromatic

#0D0F22 #1E224F #2F357B #4048A7 #6269C3

Accessibility & contrast

On white

10.96

#2F357B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2F357B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F357B

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F357B	#FFFFFF	#000000	##FFFFFF
##2F357B	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04407D

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f357b;
/* rgb */ color: rgb(47, 53, 123);
/* oklch */ color: oklch(36.6% 0.117 275.3);

Tailwind

colors: {
  custom: {
    50: '#706ca2',
    500: '#2f357b',
    950: '#000000',
  },
}

SCSS

$custom: #2f357b;
$custom-light: #706ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f357b",
  "rgb": {
    "r": 47,
    "g": 53,
    "b": 123
  },
  "hsl": {
    "h": 235.263,
    "s": 44.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36579,
    "c": 0.11749,
    "h": 275.3
  },
  "luminance": 0.04581
}

Semantic roles & 50–950 ramp

primary

#2F357B

secondary

#AAA45C

accent

#CA53D4

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F357B

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

Preview Lab → · Contrast checker → · Palette generator →