#2F75F9
Closest named color: Clear Blue (#247AFD). oklch(59.5% 0.21 261.6), rgb(47, 117, 249).
Aa
Black text reads best on this color (5.03:1).
About this color
#2F75F9 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.210 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.013 away. Black text reads best on it, at 5.03:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.210) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.03:1 |
| White text | 4.17:1 |
Values
| HEX | #2F75F9 |
| RGB | rgb(47, 117, 249) |
| HSL | hsl(219, 94%, 58%) |
| OKLCH | oklch(59.5% 0.21 261.6) |
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 #2F75F9 | 4.17:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #2F75F9 | 5.03:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #2F75F9 text on white | 4.17:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #2F75F9 text on black | 5.03:1 | AA | Lc -33.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C5DAFF
oklch(88.5% 0.056 261.8)
-
Step 300
300
#9EC1FF
oklch(80.8% 0.096 261.6)
-
Step 400
400
#699EFF
oklch(70.6% 0.153 261.6)
-
Step 500
500 (this color)
#2F75F9
oklch(59.5% 0.21 261.6)
-
Step 600
600
#1665F5
oklch(55.5% 0.228 261.5)
-
Step 700
700
#0853D6
oklch(49.2% 0.212 261.5)
-
Step 800
800
#0C45AD
oklch(42.8% 0.176 261.5)
-
Step 900
900
#133C89
oklch(37.9% 0.137 261.5)
-
Step 950
950
#0C2450
oklch(27.1% 0.086 261.3)
#2F75F9 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) | #0086FE | 0.041 |
| Deuteranopia (no green cones) | #0073F6 | 0.020 |
| Tritanopia (no blue cones) | #0096AC | 0.162 |
| Achromatopsia (no color) | #7C7C7C | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F75F9
#2F75F9
oklch(59.5% 0.21 261.6)
- #A37600
#A37600
oklch(59.5% 0.123 81.9)
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 #2F75F9, closest first.
No curated palette has a color within ΔE 0.04 of #2F75F9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.013
- Cerulean Blue #056EEE ΔE 0.032
- Royal Blue #4169E1 ΔE 0.045
- Bright Blue #0165FC ΔE 0.046
- Neon Blue #4361EE ΔE 0.048
- Cornflower #6A79F7 ΔE 0.061
- Azul #1D5DEC ΔE 0.063
- Dodger Blue #1E90FF ΔE 0.067
Use #2F75F9 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.