#2F457D#2F457D

#2F457D is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.2% C 0.098 H 266.0°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#2F457D
RGB	rgb(47, 69, 125)
HSL	hsl(223, 45%, 34%)
HSV	hsv(223, 62%, 49%)
CMYK	cmyk(62.4%, 44.8%, 0%, 51%)
CIE-LAB	lab(30.26, 10.21, -34.41)
CIE-LCH	lch(30.26, 35.90, 286.53°)
OKLab	oklab(40.23% -0.0069 -0.098)
OKLCH	oklch(40.23% 0.098 266)
XYZ	xyz(7.0008, 6.3407, 20.2530)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F457D #7D672F

analogous

#2F6C7D #2F457D #402F7D

triadic

#2F457D #7D2F45 #457D2F

tetradic

#2F457D #7D2F6C #7D672F #2F7D40

square

#2F457D #7D2F6C #7D672F #2F7D40

split-complementary

#2F457D #7D402F #6C7D2F

monochromatic

#0E1424 #1E2C51 #2F457D #405EA9 #627EC4

Accessibility & contrast

On white

9.26

#2F457D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2F457D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F457D

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F457D	#FFFFFF	#000000	##FFFFFF
##2F457D	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4B7F

Deuteranopia (green-blind)

#21447C

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f457d;
/* rgb */ color: rgb(47, 69, 125);
/* oklch */ color: oklch(40.2% 0.098 266.0);

Tailwind

colors: {
  custom: {
    50: '#6f78a3',
    500: '#2f457d',
    950: '#000000',
  },
}

SCSS

$custom: #2f457d;
$custom-light: #6f78a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f457d",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 125
  },
  "hsl": {
    "h": 223.077,
    "s": 45.349,
    "l": 33.725
  },
  "oklch": {
    "l": 0.40229,
    "c": 0.09827,
    "h": 266
  },
  "luminance": 0.06341
}

Semantic roles & 50–950 ramp

primary

#2F457D

secondary

#AB955D

accent

#B053D5

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2F457D

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

Preview Lab → · Contrast checker → · Palette generator →