#2F48DF
Closest named color: Blue Blue (#2242C7). oklch(49.1% 0.228 268.4), rgb(47, 72, 223).
Aa
White text reads best on this color (6.74:1).
About this color
#2F48DF is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.228 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.044 away. White text reads best on it, at 6.74:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.228) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.11:1 |
| White text | 6.74:1 |
Values
| HEX | #2F48DF |
| RGB | rgb(47, 72, 223) |
| HSL | hsl(231, 73%, 53%) |
| OKLCH | oklch(49.1% 0.228 268.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2F48DF | 6.74:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #2F48DF | 3.11:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #2F48DF text on white | 6.74:1 | AA | Lc 82.3 | Fine for body text |
| #2F48DF text on black | 3.11:1 | AA large text | Lc -19.6 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#587DFF
oklch(63.1% 0.197 268.3)
-
Step 600
600
#3C5BFF
oklch(55.7% 0.244 268.4)
-
Step 700
700 (this color)
#2F48DF
oklch(49.1% 0.228 268.4)
-
Step 800
800
#273DB4
oklch(42.7% 0.189 268.5)
-
Step 900
900
#22368E
oklch(37.6% 0.147 268.4)
-
Step 950
950
#142153
oklch(27% 0.093 268.5)
#2F48DF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #0064E4 | 0.061 |
| Deuteranopia (no green cones) | #0053DC | 0.029 |
| Tritanopia (no blue cones) | #00728E | 0.177 |
| Achromatopsia (no color) | #5B5B5B | 0.229 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F48DF
#2F48DF
oklch(49.1% 0.228 268.4)
- #785C00
#785C00
oklch(49% 0.1 87.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2F48DF, closest first.
No curated palette has a color within ΔE 0.04 of #2F48DF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.044
- Azul #1D5DEC ΔE 0.048
- Warm Blue #4B57DB ΔE 0.050
- Majorelle Blue #3F37C9 ΔE 0.050
- Vibrant Blue #0339F8 ΔE 0.054
- Electric Blue #0652FF ΔE 0.056
- Light Royal Blue #3A2EFE ΔE 0.057
- Blurple #5539CC ΔE 0.062
Use #2F48DF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.