#2B7BE3
Closest named color: Clear Blue (#247AFD). oklch(59.1% 0.176 256.8), rgb(43, 123, 227).
Aa
Black text reads best on this color (5.04:1).
About this color
#2B7BE3 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.176 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.040 away. Black text reads best on it, at 5.04:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #2B7BE3 |
| RGB | rgb(43, 123, 227) |
| HSL | hsl(214, 77%, 53%) |
| OKLCH | oklch(59.1% 0.176 256.8) |
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 #2B7BE3 | 4.16:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #2B7BE3 | 5.04:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #2B7BE3 text on white | 4.16:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #2B7BE3 text on black | 5.04:1 | 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 600.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF7
oklch(88.5% 0.044 256.8)
-
Step 300
300
#A0C3F4
oklch(80.9% 0.079 256.8)
-
Step 400
400
#6BA2EE
oklch(70.6% 0.126 256.7)
-
Step 500
500
#4289E9
oklch(63.2% 0.161 256.8)
-
Step 600
600 (this color)
#2B7BE3
oklch(59.1% 0.176 256.8)
-
Step 700
700
#0F5DBB
oklch(49.1% 0.164 257)
-
Step 800
800
#114D97
oklch(42.8% 0.135 256.6)
-
Step 900
900
#174178
oklch(37.8% 0.105 256.6)
-
Step 950
950
#0F2646
oklch(26.9% 0.066 257.2)
#2B7BE3 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) | #4285E7 | 0.034 |
| Deuteranopia (no green cones) | #0E75E1 | 0.022 |
| Tritanopia (no blue cones) | #0094A4 | 0.134 |
| Achromatopsia (no color) | #7C7C7C | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B7BE3
#2B7BE3
oklch(59.1% 0.176 256.8)
- #A67200
#A67200
oklch(59.1% 0.124 77.1)
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 #2B7BE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.040
- Cerulean Blue #056EEE ΔE 0.043
- Royal Blue #4169E1 ΔE 0.045
- Water Blue #0E87CC ΔE 0.053
- Windows Blue #3778BF ΔE 0.055
- Dark Sky Blue #448EE4 ΔE 0.057
- Dodger Blue #1E90FF ΔE 0.064
- Neon Blue #4361EE ΔE 0.066
Use #2B7BE3 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.