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Recognised as Colour

#12252F

  • #12252F
  • Blue
  • Dark
  • Nearest: Black

#12252F is a blue with RGB values 18, 37, 47 and HSL 201°, 45%, 13%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#12252F#12252F
HEX#12252F
RGBrgb(18, 37, 47)
RGB (0–1)0.0706, 0.1451, 0.1843
RGB percentages7.1%, 14.5%, 18.4%
HSLhsl(200.7, 44.6%, 12.7%)
HSV / HSBhsv(200.7, 61.7%, 18.4%)
CMYK61.7%, 21.3%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,189,167
CSS custom property--colour: #12252F;

Brightness & contrast

Relative luminance0.01657WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.77:1
Contrast with white15.77:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#EDDAD0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#202430no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#1C212Fno green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#042828no blue cones; rare, and affects men and women equally; ΔE 9.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.77:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 16.8Dark slate grey · ΔE 19.9Dim grey · ΔE 32.4Slate grey · ΔE 39.4Gray · ΔE 41.2Light slate grey · ΔE 42.4
Nearest named CSS colourBlack (#000000)ΔE 16.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F1C12
Analogous#122F2A, #12172F
Triadic#2F1225, #252F12
Split complementary#2F1217, #2F2A12
Tetradic#2A122F, #2F1C12, #172F12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5197BC
Lighter +30%#3C7C9E
Lighter +20%#2E5F79
Lighter +10%#204254
Darker −10%#04080A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A2837
Less saturated −25%#1A2227

Channel breakdown

R18
G37
B47
Red18 (7.1%)
Green37 (14.5%)
Blue47 (18.4%)
Hue200.69°
Saturation (HSL)44.62%
Lightness12.75%
Dominant channelBlue
Hex per channelR 12 · G 25 · B 2F

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Every value on this page was computed from “12252f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.