#2B457C#2B457C

#2B457C is a dark, moderate blue. Relative luminance 0.062; OKLCH L 39.9% C 0.098 H 263.5°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#2B457C
RGB	rgb(43, 69, 124)
HSL	hsl(221, 49%, 33%)
HSV	hsv(221, 65%, 49%)
CMYK	cmyk(65.3%, 44.4%, 0%, 51.4%)
CIE-LAB	lab(29.97, 9.02, -34.26)
CIE-LCH	lch(29.97, 35.42, 284.75°)
OKLab	oklab(39.93% -0.0111 -0.0976)
OKLCH	oklch(39.93% 0.098 263.5)
XYZ	xyz(6.7612, 6.2245, 19.9100)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B457C #7C622B

analogous

#2B6D7C #2B457C #3A2B7C

triadic

#2B457C #7C2B45 #457C2B

tetradic

#2B457C #7C2B6D #7C622B #2B7C3A

square

#2B457C #7C2B6D #7C622B #2B7C3A

split-complementary

#2B457C #7C3A2B #6D7C2B

monochromatic

#0B1221 #1B2C4F #2B457C #3B5EA9 #5B7EC6

Accessibility & contrast

On white

9.35

#2B457C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2B457C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B457C

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B457C	#FFFFFF	#000000	##FFFFFF
##2B457C	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4B7E

Deuteranopia (green-blind)

#20437B

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b457c;
/* rgb */ color: rgb(43, 69, 124);
/* oklch */ color: oklch(39.9% 0.098 263.5);

Tailwind

colors: {
  custom: {
    50: '#6d78a2',
    500: '#2b457c',
    950: '#000000',
  },
}

SCSS

$custom: #2b457c;
$custom-light: #6d78a2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b457c",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 124
  },
  "hsl": {
    "h": 220.741,
    "s": 48.503,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3993,
    "c": 0.09828,
    "h": 263.5
  },
  "luminance": 0.06225
}

Semantic roles & 50–950 ramp

primary

#2B457C

secondary

#AC9157

accent

#AC50D8

background

#F6F7FA

surface

#ECEDF3

border

#C7C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #2B457C

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

Preview Lab → · Contrast checker → · Palette generator →