#253B7C#253B7C

#253B7C is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.3% C 0.114 H 266.8°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#253B7C
RGB	rgb(37, 59, 124)
HSL	hsl(225, 54%, 32%)
HSV	hsv(225, 70%, 49%)
CMYK	cmyk(70.2%, 52.4%, 0%, 51.4%)
CIE-LAB	lab(26.67, 14.78, -39.58)
CIE-LCH	lch(26.67, 42.25, 290.48°)
OKLab	oklab(37.31% -0.0064 -0.1136)
OKLCH	oklch(37.31% 0.114 266.8)
XYZ	xyz(5.9637, 4.9759, 19.7110)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B7C #7C6625

analogous

#25677C #253B7C #3B257C

triadic

#253B7C #7C253B #3B7C25

tetradic

#253B7C #7C2567 #7C6625 #257C3B

square

#253B7C #7C2567 #7C6625 #257C3B

split-complementary

#253B7C #7C3B25 #677C25

monochromatic

#090E1E #17254D #253B7C #3351AB #506FCB

Accessibility & contrast

On white

10.53

#253B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#253B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B7C

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B7C	#FFFFFF	#000000	##FFFFFF
##253B7C	1.00	10.53	2.00	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15437E

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253b7c;
/* rgb */ color: rgb(37, 59, 124);
/* oklch */ color: oklch(37.3% 0.114 266.8);

Tailwind

colors: {
  custom: {
    50: '#6b70a2',
    500: '#253b7c',
    950: '#000000',
  },
}

SCSS

$custom: #253b7c;
$custom-light: #6b70a2;
$custom-dark: #000000;

JSON

{
  "hex": "#253b7c",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 124
  },
  "hsl": {
    "h": 224.828,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37314,
    "c": 0.11376,
    "h": 266.8
  },
  "luminance": 0.04976
}

Semantic roles & 50–950 ramp

primary

#253B7C

secondary

#AE964F

accent

#B84ADD

background

#F6F6FA

surface

#ECECF3

border

#C7C7CD

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #253B7C

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

Preview Lab → · Contrast checker → · Palette generator →