#2F50BE
Closest named color: Blue Blue (#2242C7). oklch(47.5% 0.177 266.7), rgb(47, 80, 190).
Aa
White text reads best on this color (6.97:1).
About this color
#2F50BE is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.177 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.039 away. White text reads best on it, at 6.97:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #2F50BE |
| RGB | rgb(47, 80, 190) |
| HSL | hsl(226, 60%, 46%) |
| OKLCH | oklch(47.5% 0.177 266.7) |
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 #2F50BE | 6.97:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #2F50BE | 3.01:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #2F50BE text on white | 6.97:1 | AA | Lc 83.6 | Fine for body text |
| #2F50BE text on black | 3.01:1 | AA large text | Lc -18.4 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A7C0F9
oklch(80.9% 0.086 266.1)
-
Step 400
400
#7A9DF6
oklch(70.8% 0.136 266.7)
-
Step 500
500
#5981F2
oklch(63.1% 0.175 266.7)
-
Step 600
600
#4067E1
oklch(55.5% 0.191 266.7)
-
Step 700
700 (this color)
#2F50BE
oklch(47.5% 0.177 266.7)
-
Step 800
800
#2A469E
oklch(42.6% 0.147 266.7)
-
Step 900
900
#263C7D
oklch(37.7% 0.114 266.8)
-
Step 950
950
#162449
oklch(27% 0.071 266.2)
#2F50BE 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) | #0060C2 | 0.042 |
| Deuteranopia (no green cones) | #0053BC | 0.026 |
| Tritanopia (no blue cones) | #006B7F | 0.139 |
| Achromatopsia (no color) | #595959 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F50BE
#2F50BE
oklch(47.5% 0.177 266.7)
- #745800
#745800
oklch(47.6% 0.097 87.1)
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 #2F50BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.039
- Majorelle Blue #3F37C9 ΔE 0.055
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Warm Blue #4B57DB ΔE 0.060
- Blurple #5539CC ΔE 0.067
- Sapphire #2138AB ΔE 0.069
- Mid Blue #276AB3 ΔE 0.072
- Iris #6258C4 ΔE 0.073
Use #2F50BE 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.